Mega-evolutionary dynamics of the adaptive radiation of birds

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Nature bills

The idea to 3D scan the bills of the world’s 10,000 bird species from museum collections has always seemed like an ambitious undertaking. However, after two years of data collection, months of analysis and the input of hundreds of citizen scientists, the first study resulting from our work was published in Nature last month.

This initial, wide-ranging exploration of bill diversity, compared over 2000 species from across all genera, considering the full range of present-day bill shapes.

The diversity we see in bill shape today is extraordinary and studying this characteristic can tell us a lot about species and how they interact with their environment- from foraging, hunting and eating food, to preening and nest building. Traditional methods of gathering information relating to bill form have often relied on length, depth and width measurements alone, missing many key elements of shape, such as curvature. By 3D scanning bills, we have been able to capture far more detailed information, providing a true reflection of bill diversity.

It would have been impossible to collect this information from birds in the wild so our study has been reliant on the incredible ornithology collections at Manchester Museum and the Natural History Museum in Tring. These archives of biodiversity have allowed us to create fantastically detailed models through access to such a broad variety of species, alongside curatorial expertise and work space.

One of the most novel aspects of our study was the way in which much of our initial data- the 3D scans- was processed through the input of citizen scientists from around the world. With each scan requiring landmarking by at least 3 different people, this in itself was a huge task and one that would not have been possible without such a collaborative effort. By helping us place key points and trace edges on every scanned bill, online volunteers assisted in turning these hugely complex 3D models into data that could then be analysed.

From this we have been able to highlight that the majority of bill diversification evolved quickly and, once extremes of shape were reached, the amount of change slowed down significantly as birds began to fill increasingly narrow ecological niches. As a result of this initial fast change and huge variety of form, birds have been able to exploit the equally wide range of habitats and sources of food.

The full paper can be read here and, excitingly, has also received some fantastic press attention, including a discussion of our findings with project PI Dr Gavin Thomas on both the Nature podcast and BBC Inside Science (interview starts at 20:00 minutes) – if you prefer a good listen, rather than a good read. A selection of our online coverage is listed here:

Audubon – Post-docs Dr Chris Cooney and Dr Jen Bright spoke to Audubon magazine about our findings and how they build upon our previous understanding of bill diversity.
BBC Science & Environment – ‘How birds of a feather evolved together’
New York Times – ‘Finding the Speed of Evolution in a Study of Bird Beaks’
Natural History Museum – Our study wouldn’t have been possible without the incredible ornithology collections at the Natural History Museum. This statement highlights our reliance on this resource as well as how our data can be used in the future.
University of Sheffield – A summary of our project and findings as part of the Department of Animal & Plant Sciences at the University of Sheffield.

If reading about our work has caught your interest, it’s not too late to contribute. Our crowdsourcing site markmybird.org is still very much up-and-running as we continue to increase our data relating to all extant species. Whether you want to browse our scan gallery or have a go at landmarking, everyone is welcome.

Lab Updates August 2016

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It’s been another month of change here at Team MacroBird with two of our original team members moving on to adventures anew.

14100385_10104845417626067_3774523421000460044_nPost-doc Jen Bright (green t-shirt, thumbs up), geometric morphometrics whizz and all-round human-encyclopedia, is taking up a new post as Assistant Professor of Geosciences at the University of South Florida.

Research assistant Elliot Capp (cheesy grin, beard), mechscan master, brains behind #beakoftheweek and all round zoology ace is off to become a teacher extraordinaire.

To mark these departures, all of us on team MacroBird went on a trip to South Kensington to see the new Colour and Vision exhibition at the Natural History Museum. We saw the octopus Charles Darwin kept as a pet during the voyage of HMS Beagle, lots of very cool trilobites, some impressive iridescent butterflies, plenty of birds (Gouldian finches galore) and learnt that ‘cyborg artist’ is someone’s actual job title.

Colour & Vision

Data Collection in Tring: 3D scanning

With all this change on the horizon, we’ve been pushing to meet as many data collection targets as possible. This involves progressing through remaining large families and returning to those we moved on from whilst nearing completion.

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3D Scan of Mauritius Kestrel (Falco punctatus) from www.markmybird.org

One such example is the birds of prey which are, in general, great to scan. Although some genera have obstructing feathers and bristles, most have clear landmarks and well-defined ‘cutting edges’ that are clearly picked up by our scanners. One of the last non-passerine families in need of completing were the Falcons and Caracaras (Falconidae) – with all the larger species having already been imaged on the bigger of our two scanners (the R3X) we still had a number of significantly smaller, finer bills remaining. After what feels like months of Hummingbirds (Trochilidae) and Sunbirds (Nectariniidae), finishing a family with such chunky, nonlinear bills was a breeze!

On the other end of the scale, we had some really big species that needed our attention. Both the Rheas (Rheidae) and the Cassowaries (Casuariidae), two of the tallest and heaviest living birds, are primarily stored as either mounted taxidermy or in a compact, curled-up form within the collections due to their size and shape. Selecting a specimen suitable for scanning can be a real challenge as we need to access the bill from all angles in order to capture enough images to build a 3D model. Rather than simply rotating the specimen (as we do with small passerines for example) we have to get a bit creative and move the scanner around these huge specimens, carefully manoeuvring the long, brittle necks to ensure no damage is caused. In moments like this, such as scanning the last of the cassowaries (below), we realise just how peculiar parts of our job are…

cassowary

Data Collection in Tring: UV photography

This month we’ve been photographing the plumage of some really interesting species- with the Pittas (Pittidae) being a particular favourite.

The Pittas are a small family of charismatic birds found across Asia, Africa and Australasia. They are small-medium in size and stocky in form with very short tails and comparatively long legs. What really sets them apart from other species is their brightly coloured plumage (particularly interesting for this element of our research), in vivid shades of red, blue and purple. In the wild, Pittas are notoriously difficult to pinpoint as they are highly secretive and perhaps because of this, they often feature on lists of species birders particularly want to see (including one or two members of our team!). 

Being able to access these species within museum collections allows us to use an ultraviolet filter when photographing the specimens, which provides us with a different perspective of this fantastic plumage. Certain patches of colour positively glow- as you can see from our images of the Azure-breasted Pitta (Pitta steerii) below. 

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MarkMyBird and #BeakoftheWeek

We’ve recently been experiencing some technical problems with our crowd sourcing website markmybird– thank you to everyone for being so patient and for keeping us updated. Everything is now up-and-running again and we’ve uploaded more than a thousand new 3D bill models for you to view and landmark, even more reason to revisit or sign up and give citizen science a try!

black-winged stilt

Our weekly twitter competition #BeakoftheWeek has seen some great picks this month, including a number of first-time guessers and winners. Chris Packham was successful in spotting the black-winged stilt (above) in record time, followed by the hen harrier in his honour. There are still thousands of species to pick from so the competition is far from over, join us on twitter every Wednesday and give it a go.

Images

All images (c) of Team Macrobird and The Natural History Museum

 

Lab Updates May 2016

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May has been another busy month of data collection for team MacroBird with us reaching some big milestones on both the photography and 3D scanning sides of the project.

We also collaborated on a short video exploring the immense value of museum collections with the brilliant team at Eco Sapien– an organisation dedicated to spreading the word about all things related to biodiversity, conservation and the natural world. You can view the video, featuring our very own Dr Chris Cooney and a cameo from Emma Hughes, here:

Data Collection in Tring: 3D Scanning

Last week we celebrated reaching 80% of all bird species processed- that’s over 8000 specimens selected, retrieved from the collections and, where possible, databased, measured and 3D imaged! You can view many of these scanned species (approaching 7000) on our MarkMyBird gallery.

The streaked spiderhunter (Arachnothera magna). A member of the Nectariniidae family alongside the sunbirds, with a long, curved and finely pointed bill

The streaked spiderhunter (Arachnothera magna). A member of the Nectariniidae family alongside the sunbirds, with a long, curved and finely pointed bill

As with last month, we have continued to work on completing scanning the bills of all island species such as the fantails (Rhipiduridae) with their flat, triangular bills, and the bristly drongos (Dicruridae). Just to make life easier for ourselves, we have also turned our attention towards working through some of the remaining families with particularly hard to scan bills, such as the sunbirds (Nectariniidae) and hummingbirds (Trochilidae). With extremely fine tips, prominent bristles and long bills- such as the Streaked Spiderhunter (Arachnothera magna) pictured here- these species are time-consuming to both scan and select from the collections.

To date we have scanned:

  • 6994 (69.99%) of species
  • 3281 (80.97%) of species from island families
  • 3788 (63.33%) of passerines
  • 3203 (79.54%) of non-passerines

Data Collection in Tring: UV and Visible Photography

Plumage photography has continued at full pace and also reached some important milestones with well over 10,000 individual specimens now imaged- a huge achievement!

The Asian Paradise Flycatcher (Tersiphone paradisi). Right: Illustration taken from Birds of Asia by John Gould, courtesy of the Biodiversity Heritage Library, licensed under CC BY 2.0 Left: Photograph taken by Dr. Vijay Anand Ismavel MS MCh and licensed under CC BY-NC-SA 3.0

The Asian Paradise Flycatcher (Terpsiphone paradisi).

Amongst other families this month we have been photographing the beautiful Paradise Flycatcherspart of the monarch (Monarchidae) family. Found across Africa and Asia, the genus Terspiphone is sexually dimorphic- with colourful males featuring prominent tail streamers and primarily monochrome or rufous females. 

Another interesting feature exhibited by some species within this family are colour morphs. For example, the male Madagascar Paradise Flycatchers (Terpsiphone mutata) have both a nominate white morph and a rufous morph.

To date we have reached:

  • 67 (34.54%) of families completed
  • 2452 (24.54%) of species
  • 11209 specimens: we are selecting up to 6 specimens of each species, both male and female
  • 67254 photographs: six photographs- dorsal, ventral and lateral in both UV and human visible spectrums- of every selected specimen

Mark My Bird

Our crowdsourcing site markmybird.org has now exceeded 820 registered landmarkers. With over 5000 3D bill models uploaded and ready for landmarking, and more added regularly as each family is scanned from museum specimens, there is lots to be done! If you would like to see the amazing diversity of bill form up close, you can visit our site markmybird.org and have a go at landmarking, contributing directly to this huge study.

If you are new to citizen science, aren’t sure what we mean by landmarking or just want to see the process in action, Elliot has also produced a video taking you step-by-step through the landmarking process. Any questions, queries or comments- let us know!

Twitter and #BeakoftheWeek

Our twitter competition #BeakoftheWeek has continued every Wednesday- all are welcome to join in and have a guess, perhaps even beating our current contenders to the top slots!

We post regular blogs about some of our favourite species chosen for the weekly challenge over on our website, this month including the fascinating Tawny Frogmouth (Podargus strigoides).

Publications

IMG_3522RAs Zoë, Emma, and Elliot wrote an article for the Spring edition of the Natural History Museum’s evolve magazine. Exploring the role of the museum’s collections and citizen science in our research, the article includes photographs of some of our favourite unusual bills from the ornithology research collections taken by Chris and Lara.

Zoë is also lead author on a paper detailing the rediscovery and identification of a (thought to be) long lost owl specimen collected by Charles Darwin on the famous second voyage of HMS Beagle. During research into the zoological collection of Robert FitzRoy- Darwin’s captain during the South American voyage- a specimen thought to be Asio flammeus galapagoensis was found to contain a tiny metal tag hidden amongst its tarsal feathers indicating a different species and backstory. The paper explores how, by tracking a specimen through original voyage manuscript data and on through historical museum registers and catalogues, specimens such as this can be traced back to their original collectors and correct identifications.

Varley, Z., Cooper, J. and Prys-Jones, R., Rediscovery of a long misattributed and misidentified Darwin Beagle bird specimen (2016) Bull. B.O.C., 2016 136(1)

Images

Streaked Spiderhunter (Arachnothera magna) taken by Lip Kee is licensed under CC BY-SA 2.0

The Asian Paradise Flycatcher (Terpsiphone paradisi)
Right: Illustration taken from Birds of Asia by John Gould, courtesy of the Biodiversity Heritage Library, licensed under CC BY 2.0
Left: Photograph taken by Dr. Vijay Anand Ismavel MS MCh and licensed under CC BY-NC-SA 3.0

Evolve front cover (c) Natural History Museum, London

Lab Updates April 2016

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Data Collection in Tring: 3D Scanning

Overall we have scanned 67% of the world’s birds! You can view many of these 6700 species on our MarkMyBird gallery.

Yellow-throated Longclaw (Macrornyx croceus)

Yellow-throated Longclaw (Macrornyx croceus)

Our current target is to scan every species from our list of ‘island bird families’. The remaining island families we are yet to complete such as fantails, monarchs and drongos are quite difficult to scan owing to their dark shiny bills, and rictal bristles that obscure the sides of the gape of the bill and so this has slowed down our progress a little. However, we have also been targeting some easier to scan bird families to keep things moving such as the pipits and wagtails (Motacillidae). As well as having bills that are easy to scan, many have incredibly long hind claws (such as the aptly named yellow-throated longclaw, Macrornyx croceus) which are thought to be an adaptation to help them walk through grass.

To date we have scanned:

  • 6688 (66.93%) of species
  • 3153 (77.81%) of species from island families
  • 3532 (59.20%) of passerines
  • 3153 (78.30%) of non-passerines

Data Collection in Tring: UV and Visible Photography

Ribbon-tailed Astrapia (Astrapia mayeri)

Ribbon-tailed Astrapia (Astrapia mayeri)

On the photography side of the project this month we have been lucky enough to work on the birds of paradise. With such an incredible variety of colours, amazing iridescence and some of the most extravagant feathers, this plumage is incredible to see up close (and a practical challenge to image at times!).

It’s particularly fascinating to see first hand just how vivid much of this structural colour remains in historical skins and it will be of particular interest to see how these photographs fare in our later analysis.

We continue to progress through the Passerine families and are currently working our way through the bright and colourful Oriolidae.

To date we have reached:

  • 51 (26.29%) of families completed
  • 2108 (21.09%) of species
  • 9583 specimens: we are selecting up to 6 specimens of each species, both male and female
  • 57498 photographs: six photographs- dorsal, ventral and lateral in both UV and human visible spectrums- of every selected specimen

Mark My Bird

Our crowdsourcing site markmybird.org has now exceeded 790 registered landmarkers. The fantastic efforts of these citizen scientists has seen our overall landmarking progress reach 40%, contributing vital data as we proceed further into the analysis stages of the project.

This doesn’t mean the chance to contribute to the study is over, far from it! There are still thousands of these fantastic 3D models of bills in need of landmarking. With new species being added as each family is scanned from museum specimens, you can learn more about this research or join in and have a go yourself by visiting our website www.markmybird.org.

We have a new mailing list for MarkMyBird where we send out a monthly research highlight for our landmarkers. This month you can see how accurate your shoebill mark up was! You can sign up to our mailing list here.

Publications

Raptor skull change with size

Raptor skull change with size

Jen was lead author on a paper published this month in PNAS investigating shape change in birds of prey. As the skulls of birds of prey increase in size, they do so in a predictable way. The bills are tightly linked to this change in skull size – one cannot change without the other – indicating a constraint on how the bill can evolve. If this constraint is broken, it could have important implications for avian groups that exhibit high bill diversity, such as the passerines, particularly in families that have undergone rapid and explosive radiations, including the Darwin’s finches and Hawaiian honeycreepers. You can read more on the University of Sheffield’s press release, or by reading the full paper below:  

Bright, J.A., Marugán-Lobón, J., Cobb, S.N. and Rayfield, E.J. (2016). The shapes of bird beaks are highly controlled by nondietary factors. Proceedings of the National Academy of Sciences.

Twitter and #BeakoftheWeek

Our twitter competition #BeakoftheWeek has continued every Wednesday, with Tim Blackburn and Paul Sweet remaining at the top of our leaderboard- all are welcome to have a go and perhaps even beat our current contenders to the top slots!

We post regular blogs about some of our favourite species chosen for the weekly challenge over on our website, this month including the fabulous Grey-necked Picathartes (Picathartes oreas).

Images
Yellow-throated longlaw (Macrornyx croceus) taken by Carmelo López Abad is licensed under CC BY-NC-SA 3.0

Ribbon-tailed Astrapia (Astrapia mayeri) by markaharper1 is licensed under CC BY-SA 2.0

MMB banner (c) Jen Bright

Raptor gif (c) Jen Bright

Lab Updates March 2016

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March has been a busy month for all on team MacroBird. Data collection, based at the Natural History Museum’s ornithology research collections in Tring, has continued for both the 3D scanning and photography components of our study.

Data Collection in Tring: 3D Scanning

Overall, we have achieved scanning 60% of all of the world’s bird species – that’s 6000 bills! In addition, we have scanned 74% of species that feature on our island families list, and are currently working our way through the pigeons (Columbidae) and babblers (Timaliidae). With around 500 scannable species left (with suitable specimens available for scanning in the museum’s collection), we hope to have worked our way through the list by the end of May. Our next aim will be to scan 100% of all non-passerine species.

Species scanned plot

The larger of our two scanners, the R3X, has been working brilliantly with its new lenses, allowing us to scan much finer bills and keep our scanning productivity at full speed. Currently preoccupied with the huge number of aforementioned pigeon species, we will be moving on to scanning raptors on this shortly.

Noisy friarbird (Philemon corniculatus)

Noisy friarbird (Philemon corniculatus)

An interesting island family that we have worked through this month are the honeyeaters (Meliphagidae). Honeyeaters are small-medium passerines, largely found in Australia and New Guinea. This group contains the fantastically named ‘Friarbirds‘ that have featherless heads which give them an almost vulture-like appearance. We also worked through the woodpeckers (Picidae) which have one of the easiest bills to scan – the majority are pale and their chisel-like shape means it doesn’t take too many rotations to scan the entire bill. One thing we didn’t realise was quite how variable in size the woodpecker bill is, going from the large 9.5cm bill of the Imperial Woodpecker (Campephilus imperialis) to the tiny 1.5cm bill of the African Piculet (Sasia africanus).

To date we have scanned:

  • 6323 (63.26%) of species
  • 2028 (96.99%) of genera
  • 3006 (74.19%) of species from island families
  • 3332 (55.85%) of passerines
  • 2988 (74.20%) of non-passerines

Data Collection in Tring: UV and Visible Photography

Blue-winged leafbird (Chloropsis cochinchinensis)

Blue-winged leafbird (Chloropsis cochinchinensis)

As mentioned in last month’s updates, the photography component of our project – imaging the plumage of as wide a range of the 10,000 species of birds as possible in both the human visible and ultraviolet spectrum – is now well underway.

This month has seen us continue to target our priority list of species, focussing primarily on passerine families, including the beautiful Australasian robins (Petroicidae) and the fantastically colourful leafbirds (Chloropseidae).

To date we have photographed:

  • 37 (19.07%) of families completed
  • 1808 (18.09%) of species
  • 8102 specimens: we are selecting up to 6 specimens of each species, both male and female
  • 48612 photographs: six photographs- dorsal, ventral and lateral in both UV and human visible spectrums- of every selected specimen

Mark My Bird

Our crowdsourcing site markmybird.org has now exceeded 750 registered landmarkers, with over 100 new participants this month alone! The fantastic efforts of these citizen scientists has seen our overall landmarking progress reach 35%, contributing vital data as we proceed further into the analysis stages of the project.

This doesn’t mean the chance to contribute to the study is over, far from it! There are still thousands of these fantastic 3D models of bills in need of landmarking. With new species being added as each family is scanned from museum specimens, you can learn more about this research or join in and have a go yourself by visiting our website www.markmybird.org.

In May we will be holding a Mark-My-Bird-athon at the University of Sheffield – more news on this to follow..

Markmybird 4

Conferences

Chris gave a talk at the Yorkshire Naturalists Union annual conference. Chris’s talk, and those of the other speakers, are covered in this vlog by Eco Sapien.

Publications

Brulez, K., Mikšík, I., Cooney, C.R., Hauber, M.E., Lovell, P.G., Maurer, G., Portugal, S.J., Russell, D., Silas James, Reynolds, S.J. & Cassey, P. (2016). Eggshell pigment composition covaries with phylogeny but not with life history or with nesting ecology traits of British passerinesEcology and evolution.

Twitter and #BeakoftheWeek

Our twitter competition #BeakoftheWeek has continued every Wednesday, with Tim Blackburn and Paul Sweet remaining at the top of our leaderboard- all are welcome to have a go and perhaps even beat our current contenders to the top slots!

We post regular blogs about some of our favourite species chosen for the weekly challenge over on our website, this month including the fabulous Twelve-Wired Bird of Paradise (Seleucidis melanoleucus) and the striking King Eider (Somateria spectabilis).

 

Images

Blue-winged leafbird (Chloropsis cochinchinensis) taken by Dr. Vijay Anand Ismavel MS MCh is licensed under CC BY-NC-SA 3.0

Noisy friarbird (Philemon corniculatus) taken by Leo is licensed under CC BY-NC-SA 2.0

MMB banner (c) Jen Bright

Lab Updates: It’s been a while!

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Straight-billed reedhaunter (Limnoctites rectirostris)

Straight-billed reedhaunter (Limnoctites rectirostris)

Data Collection in Tring: 3D Scanning

We have achieved our target of scanning a species from every genus that is both available to us in Tring’s collection and scannable, giving us excellent coverage across the bird family tree. The last remaining species were those from the Extinct and Endangered, and Type collections. Specimens are classed as a Type if they were the example used for officially describing and naming a new species- they are some of the most important in any natural history collection. One of the most interesting Type specimens we have scanned in recent months was collected by Darwin himself on the second Voyage of the Beagle, the straight-billed reedhaunter (Limnoctites rectirostris), an ovenbird from South America.

Our largest scanner, the R3X, had been largely redundant before Christmas as we had scanned nearly all species with bills large enough for it to scan. This meant that the only scanner we had working was the MechScan which tackles bills from the size of  a grain of rice to about 50mm in length. With only one scanner in action our rate decreased quite considerably. However, we now have some new lenses for the R3X allowing us to scan bills from about 35mm upwards and so both scanners are now running at full speed!

Currently we are working on completing families containing species that live on islands such as white-eyes, finches, sunbirds and storm-petrels.

To date we have scanned:

  • 5766 (57.70%) of species
  • 2029 (97.03%) of genera
  • 3144 (52.70%) of passerines
  • 2613 (64.89%) of non-passerines

Data Collection in Tring: Visible and UV Photography

The end of 2015 also saw the photography component of our project start in full force, with the ambitious aim of imaging the plumage colouration and pattern of as many of the 10,000 extant species of bird as possible, in both the visible and ultraviolet spectrum. We are targeting selected families to begin with, such as woodpeckers, tyrant flycatchers and cotingas, but hope to get as wide a coverage as possible by using the Natural History Museum’s incredible collections.

In the first few months we have been able to photograph approximately 900 species, and as we are selecting multiple males and females from each species, this equates to upwards of 4000 specimens. We take photographs of the bird at dorsal, lateral and ventral angles in both the visible and UV spectrums, meaning a total of 6 images per specimen, so overall we have taken around 25,000 individual photographs to date!

With almost 9% of world bird species imaged, this is a brilliant start!

Great Jacamar (Jacamerops aurea) in the ultraviolet (UV) spectrum

Great Jacamar (Jacamerops aurea) in the ultraviolet (UV) spectrum

Great Jacamar (Jacamerops aurea) in human visible spectrum

Great Jacamar (Jacamerops aurea) in the human visible spectrum

 

 

 

 

 

 

 

Mark My Bird

Since Mark My Bird launched we’ve had fantastic input from citizen scientists with over 650 registered landmarkers now contributing to our study – thank you! We have so far uploaded 3500 scans of species from around the world for people to view up close and landmark, providing essential data for our analysis. With almost 12,000 bills landmarks, this is a brilliant start to the enormous task ahead.

If you haven’t signed up yet and would be interested to learn more about the crowdsourcing side of our work, explore the 3D models we are generating or actually have a go at landmarking, visit our website www.markmybird.org.

Our stand at Science Uncovered, NHM Tring.

Our stand at Science Uncovered, NHM Tring.

Science Uncovered

At the end of September, Team MarkMyBird took part in the Natural History Museum’s annual Science Uncovered event (part of European Researcher’s Night) at the Tring museum site – home to the incredible ornithology research collections that are essential for our data collection. This was a great opportunity to talk about our research and answer questions from museum visitors of all ages. You can read about our stand and the event itself in our blog post.

Conferences

Angela attended the EMPSEB21 (European Meeting of PhD Students in Evolutionary Biology) conference in Scotland (8th-12th September 2015) and presented some of her PhD research about  the perks of using variable-rates models of trait evolution.

In November, Jen gave a talk at the 3 Days of 3D conference at the Naturalis Biodiversity Centre in Leiden, The Netherlands (2-4th November 2015).

Publications

Edwards, D. P., Gilroy, J. J., Thomas, G. H., Uribe, C. A. M., & Haugaasen, T. (2015). Land-Sparing Agriculture Best Protects Avian Phylogenetic Diversity. Current Biology, 25(18), 2384-2391.

The paper also featured in an article in the guardian!

Twitter and #BeakoftheWeek

Our weekly Twitter competition #BeakoftheWeek is still going strong with Tim Blackburn and Paul Sweet leading the way. If you’d like to know more about some of the birds featured in #BeakoftheWeek, check out our blogs exploring some of our favourites as the competition runs on.

Other News: New Research Assistants!

Two new research assistants, Zoë and Lara, joined our research group towards the end of last year. Lara’s background is in Zoology and she completed her postgraduate studies in Biological Photography and Imaging. Zoë previously worked as a Curatorial Assistant for Bird Group at Tring NHM and read Art History and subsequently Museum Studies at University. You can find out more about the MarkMyBird research group here.

Zoë getting to grips with 3D scanning

Zoë getting to grips with 3D scanning

Lara learning how to take linear morphometric measurements

Lara learning how to take linear morphometric measurements

 

 

 

 

 

 

 

 

 

Images

Straight-billed reedhaunter (Limnoctites rectirostris) taken by Cláudio Dias Timm is licensed under CC BY-NC-SA 2.0

All other images (c) Natural History Museum, London.