Friday mystery object #245

This week I have a guest mystery object for you from Dr Nick Crumpton at the NHM.

Hello Zygoma fans. Nick Crumpton here from across the way at the Natural History Museum in South Ken.

Well, this fellow completely stumped me for a few hours this week on finding it in our teaching collection:

mystery245

Until, that is, I called on the always helpful advice of Mr Viscardi (OK, and a certain Mr Garrod too…)

I’d love to see whether anyone can work out what it is, and how they figured it out!

You can leave your suggestions and thoughts in the comments section below – enjoy!

Friday mystery object #232 answer

Last Friday I gave you this nice robust skull to identify:

mystery232

There was a healthy discussion about possible identifications, with the importance of scale mentioned more than once (by Jake, palaeosam, Lena and Robin Birrrdegg). Not only is this a robust skull, it’s also quite large, ruling out the British carnivores – and it clearly is a carnivore judging by the canines and the well-defined sagittal crest.

The lack of cutting and puncturing premolars and molars means that cats, dogs, hyaenas and other very carnivorous large carnivores can be ruled out, narrowing down the likely options in the right size range to the bears, as recognised by palaeosam, Ric Morris, Robin Birrrdegg, Will Viscardi, cromercrox, cackhandedkate, Lena, Daniel Calleri, henstridgesj and Carlos.

The species is a bit more difficult to work out, but the big sagittal crest and fused sutures suggests that this is not an juvenile bear, meaning it’s too small for a bear of the Brown  or Polar variety. That still leaves quite a range of other possible bears, but the pronounced forehead and long square muzzle rules out the Giant Panda, Sun Bear, Spectacled Bear and Asiatic Black Bear, while the big robust incisors rule out the Sloth Bear. That leaves the American Black Bear Ursus americanus Pallas, 1780.

Ursus americanus by Mike Bender/U.S. Fish and Wildlife Service, 2008

Ursus americanus by Mike Bender/U.S. Fish and Wildlife Service, 2008

So well done to cromercrox, Carlos and Robin Birdeggg who all got the species correct!

Friday mystery object #223 answer

Last Friday I gave you this fine feline to have a go at identifying:

mystery223

I was a little suspicious of the identification attached to the specimen, but Al Klein suggested the same species – the Jaguarundi Puma yagouaroundi (É. Geoffroy Saint-Hilaire, 1803) [link opens pdf].

My reasons for suspicion were the nature of the post-orbital constriction (the narrowing of the braincase behind the eyes), the nature of the zygomaticotemporal suture between the temporal process of the zygomatic and the zygomatic process of the temporal bone (the bit where two bones meet to make the arch of the cheek) and the shape of the nasal bones where they meet the frontals (the V shaped bones above the nose area).

The observation by henstridgesj that the skull was similar to the previous mystery object (Leopardus tigrinus) was a good one, so I decided to research the genus Leopardus in a bit more detail, to see if there was a better match.

It turns out that the skull I found that matched this one most closely – especially with regard to the relative lack of a post-orbital constriction and the nasal-frontal junction – was the highly arboreal Margay Leopardus wiedii (Schinz, 1821) [link opens pdf].

Margay - Leopardus wiedii, Summit Municipal Parque, Panama. By Brian Gratwicke.

I’m always a bit reticent to re-identify specimens that have original labels from the supplier attached as this one does, but this comes from suppliers (Dr.s Schlüter & Mass) that I know have seriously misidentified or mislabelled specimens in the past (e.g. labelling a African Lappet-faced Vulture as an Andean Condor from Bolivia).

Of course, the real identification may be even more complicated, since the South American cats have a bit of a track record for hybridising to the point of masking distinct species, so any identification I make will be laden with disclaimers and caveats. The joy of real-world animals when contrasted against nice simple biological concepts…

What is a curator?

What is a curator?

Every so often I’ll meet someone who asks me what I do; this draws the response “I’m a natural history curator”*. Sometimes I will then be faced with the dreaded follow-up question “what does that mean?”

I hate it when this happens, because the curatorial role involves lots of different things and it can be hard to summarise them in any kind of concise and intelligible way. Different museums expect different things from curators, which will usually depend on the rest of the staffing structure. So when I answer I can only really answer for myself and what I think MY curatorial role entails.

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The most obvious responsibility is “curating collections”, which is not actually an explanation in any meaningful way. To curate more or less means to “take care of”, but these days the museum sector has become professionalised and there are other specialists who take on much of the duty of care; conservators, collections managers, documentalists and so on.

What I bring to the care side of things overlaps with these roles, but my spin is to bring subject specialist knowledge to the mix.

This allows me to help other departments by providing them with useful information. For example, non-specialist staff will largely have to go by what’s written on an object label, whereas I am expected to check that information and challenge old taxonomy and misidentifications. I may also provide additional or new information about objects by researching their history or identifying parts of their composition.

A nice illustration of this can be seen in these two objects – one from the Horniman Museum & Gardens‘ Anthropology collection (top) and one from the Natural History collection (bottom):

Oddject2

The Natural History specimen had originally been mislabelled by the original supplier as the skull of an Andean Condor from Bolivia, which I had spotted and corrected to Lappet-faced Vulture (a species from Africa) after a bit of research. The Anthropology specimen was originally identified as being an  ‘eagle skull’ charm from Nigeria and it was simple to provide a more detailed species identification after having done the work on the Natural History specimen.

This sort of fact-checking and enrichment of data is essential for museums if we are to provide an accurate, reliable and authoritative resource for our audiences.

The same need for fact-checking also applies to quality television programmes, so it is perhaps unsurprising that museum curators will often be involved in documentaries, either as a presenter (like George McGavin or Richard Fortey), an expert that gets wheeled in to provide context (I think all curators have done this!), or as a shadowy figure behind the scenes baby-sitting an object or advising on content (I was scientific advisor for Ben Garrod’s excellent Secrets of Bones for example and I have fond memories of fiercely guarding an Indian Elephant leg at the filming of the Royal Institution’s Christmas Lecture “Why Elephant’s Can’t Dance“).

elephantleg1

An Elephant leg that I had to babysit for 14 hours (with no comfort break) for the filming of a Royal Institution Christmas Lecture

I’m all for getting collections used like this, since I think that the real value of collections lies in their use. This may be scientific, educational or artistic use – it doesn’t matter which, as long as the use doesn’t significantly compromise the objects and contributes to a wider understanding or appreciation of the world. In some cases you can manage both – a project I’ve been involved in with fine art photographer Sean Dooley is a good example of this.

Another large part of what I do is science communication. Museums were one of the earliest methods by which the general population could access decent quality information about the wider world and, despite the rise of the telly, museums still serve as an important interface between the academic world and the public.

This means that I get to research topics (in varying amounts of detail) that are relevant to our collections and audiences and produce exhibitions, give talks and write articles communicating that research. Sometimes this will be somewhat on the dry side (like a methodological paper about measuring skulls), while other times it will be a bit more fun, like my stint as #ExtremeCurator:

For me science communication and museum advocacy goes beyond the museum walls and 9-5 working hours, so I also organise free monthly science-related events in a London pub, I’m a trustee of the Natural Sciences Collections Association, I do evening talks all around the UK, I tweet and of course I am a #MuseumBlogger here at Zygoma.

This last activity has been both hard work and incredibly enjoyable. The hard work comes from the discipline required to organise and write a weekly blogpost, while the enjoyment has come from the fantastic community that has developed around the Friday Mystery Object posts (which have now been running for about five years). I’ve found that my knowledge has increased a huge amount and I’ve been able to encourage and help support other people in their interest.

My favourite example of this is Jake, who has been reading my blog since he was seven! Now he’s twelve and has already published an incredible book on bones that I was lucky enough to be able to help with. It’s the unexpected things like this that make blogging so worthwhile and which make my job the best job in the world!

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*my job title is actually “Deputy Keeper of Natural History”, but that’s a term even less familiar than “curator”.

Friday mystery object #216 answer

Last Friday I gave you this mystery sternum to identify:

mystery216

I had a rough idea of the family, but I was less certain about the species. As it turns out I’m now less sure of the family than I was before, in light of some useful comments.

At first I thought this was the sternum of a member of the Strigidae or the ‘True Owls’ – something that Jake also thought with his suggestion of Tawny Owl Strix aluco, but henstridgesj and Daniel Jones raised the possibility of it being from a seabird and Daniel Calleri suggested it could also be from a member of the Halcyonidae or the ‘Tree Kingfisher’ family.

With the Christmas and New Year break I haven’t had a chance to get to our stores to check specimens, but there is a very useful website that deals with seabird osteology (helpfully called Seabird Osteology) which has some images of sterna. Several of the Procellariiformes (the order containing the Albatrosses, Petrels, Shearwaters, etc.) have a similarly short sternum with a double notched bottom margin, as do some of the Laridae or the Gull family.

I also checked an image of a Kookaburra from a previous mystery object, which doesn’t show the sternum well, but which does hint at a double notched bottom margin:

Laughing Kookaburra Dacelo novaeguineae skeleton

Laughing Kookaburra (Dacelo novaeguineae) skeleton

This has left me slightly less confident that last week’s mystery object is from an owl, but here are a couple of other owl sterna for comparison:

Barn Owl Tyto alba sternum and coracoid

Barn Owl (Tyto alba) sternum and coracoid

As you can see, the Barn Owl sternum above doesn’t quite have the double notch, although the size is about right. The Eurasian Eagle Owl sternum below (ignore the coracoids and other bits of the pectoral girdle) is a much closer fit, although substantially larger.

Bubo_bubo_sternum_coracoid

Eurasian Eagle Owl (Bubo bubo) sternum, coracoid, furcula and scapula

I’ll see if I can find a Tawny Owl sternum to check against, because the shape does seem pretty good for one of the Strigidae and the size is about the same as a Barn Owl, which is in a different family, but has a size range that overlaps with the Tawny Owl. Of course, it could also be from one of the other medium sized owls, like the Long-eared or Short-eared Owls… more to come!

UPDATE 14:30 on 3rd January 2014

Here’s a Tawny Owl sternum!

Tawny Owl (Strix aluco) sternum

It’s pretty close, but the notches seem a bit deeper, so perhaps one of the Asioninae (Eared Owls) might be a better match for the mystery object?

Friday mystery object #214 answer

Apologies for the lateness of the FMO this week, my excuse is a rather apt bout of illness, where some of the alveolar bone of my mandible has been lost due to an infection, leaving me feverish and thoroughly miserable.

But enough about my me, this is the mandible I’m supposed to be talking about:

mystery214

There was a fascinating discussion about the possible identification in the comments last week, so a big ‘thanks!’ to all of the contributors who provided their informative observations (too many to mention everyone by name!). A mustelid of some sort was quickly agreed upon and the general consensus moved towards an otter of some kind, before starting to drift away again.

Two comments in particular were particularly pertinent. The first was from Daniel Jones:

Alright . . . instantly the foramina on the mandible anterior to the premolars scream Otter! However, the incisors don’t. The incisors just lateral to the canines should be larger and longer than any of the other incisors among the otters (even the Asian Short-clawed Otter).

Now my identification for this specimen was indeed Asian Short-clawed Otter Aonyx cinerea (Illiger, 1815), so this comment made me a bit concerned. However, on checking some images online I realised that the long lateral incisors are present in the premaxilla, but not the mandible – an easy detail to miss.

The second comment was by Allen Hazen:

Anyway… The talonid on the first molar of the one in the picture is BIG.

The reason I found this comment useful was that the long and broad talonid (that’s the flatter grinding section on the molar) is what confirmed the Asian Short-clawed otter identification for me (although the small size was a good first clue).  This became quite clear from an image on the Otter Specialist Group webpage.

The Asian Short-clawed Otter presumably has this large talonid because it has a diet mainly composed of crustaceans rather than fish, and it needs the extra crushing area on the molar to crack open tough exoskeletons.

Who would think you’d get teeth as formidable as these on such an adorable little critter?

#bonegeeks

There are some great resources online for finding images of comparative material for skulls, but the postcranial skeleton tends to be quite badly represented online even for common species. I’d love to change that, but it’s a big challenge for one person.

Paramastoid process of Pig (Sus scrofa)

Paramastoid process of Pig (Sus scrofa)

That’s why I’d like to set up #bonegeeks on Twitter (and maybe on other social media as well). The way I see it, people who have access to skeletal material could easily take snaps of bits of postcrania from known species (preferably with something for scale) using their phone and share the image to Twitter, Tumblr or Facebook with the name of the species and the bone (and perhaps where the specimen is held).

With the #bonegeeks tag it should be easy to collate images and hopefully start building up a comparative collection of images to make identifications easier.

It could start with a bone of the week to get the seldom depicted bones better represented and I’m sure #bonegeeks would be willing to respond to requests if there were particular bones that someone wanted to see.

I wonder if this could work… shall we give it a go and find out? Please add your thoughts on this idea in the comments section below or on Twitter using the #bonegeeks hashtag.

Oh and here’s how the idea got started: [View the story “#bonegeeks” on Storify]