Friday mystery object #321 answer

Last week I gave you this fuzzy object from the stores of the Dead Zoo:

mystery321

It’s a slightly generic looking creature and I’m not surprised a few ideas for identification were mooted, because it lacks any single distinctive feature in this image (partly because the characteristic grizzled facial hair is a bit indistinguishable due to historic soot). That didn’t stop Wouter van Gestel, Mike Shanahan, RobinBirrrd, James Bryant, and jor from recognising it though.

This is the wonderfully weird Bearcat or Binturong Arctictis binturong Temminck, 1824 which is a South and Southeast Asian carnivore in the viverid family (those are the civets) that is one of only two carnivores with a prehensile tail (I’ve talked about the other one, the Kinkajou, in a previous blogpost).

Like the Kinkajou, the Binturong isn’t a very carnivorous carnivore. It eats more figs than meat and it lacks the restless dynamism of the average predator, plodding flat-footedly on the ground and climbing well, albeit in a much slower and more measured way than other arboreal carnivores that take killing a bit more seriously.

Binturong by Greg Hume, 2017

Binturong displaying characteristic levels of activity. Image by Greg Hume, 2017

Apart from the unusual prehensile tail, the living Binturong has one other unusual characteristic (as pointed out by RobinBirrrd) – it smells like popcorn. This is due to the emissions of its musk gland, situated conveniently near the genitals and anus. Sadly our specimen smells more like a half-washed dog that’s been rolling in mothballs.

More mysteries next week!

Friday mystery object #321

This week I thought I’d give you a break from the bones and offer up a fuzzball for some Friday fun:mystery321

Any idea what this (slightly dusty looking) critter from the collections might be?

It’s probably a bit too easy for some of you, so cryptic clues and subtly veiled hints would be appreciated in the comments section please. Have fun!

Friday mystery object #320 answer

Happy New Year everyone!

Last week I gave you this skull to identify from the collections of the Dead Zoo in Dublin :

King Vulture Sarcoramphus papa (Linnaeus, 1758)

I also included the label, since it offers an interesting taxonomic twist.20171228_163420.jpg

If there’s one principle that I hope I’ve managed to convey over the last eight and half years of doing the Friday mystery object, is that you should never fully trust the label.

For starters, the number NMINH:2006.12.1698 could be misleading, as it reflects the year the specimen was catalogued rather than the year it was acquired. To explain, the NMI uses a very sensible numbering system that starts with the collection (NMINH = National Museum of Ireland Natural History) the year of registration (usually the year of acquisition) which allows you to know which register to look in, followed by the lot number (a sequential number reflecting how many acquisitions have come in that year), followed by the individual object number (the sequential number of that individual item in a particular lot). This system can have additional numbers added if necessary, such as if a piece of an individual object is removed for sampling.

However, some older objects were not registered when they entered the collection and as such they get a number that reflects the year they were documented rather than the year they were acquired. In this case the specimen was registered in 2006, but purchased from an auction of the collections of van Lidth de Jeude who died in 1863, as Nigel (the Dead Zoo Keeper) helpfully pointed out in the comments.

If the specimen had been accessioned and numbered on entering the collection back in the 1860’s then issues with the name would be expected since taxonomy constantly changes and old names are often wrong, but because of the new label and the 2006 date, you’d generally expect the name to be more up-to-date. However, it appears that the information on an old label was directly transcribed without being updated.

This is relevant because the name Orogyps auricularis is what we call a junior synonym, which means it has been used to describe a species that already has an older valid name. When this happens the older name takes precedence. In this case, Orogyps auricularis is a name applied in 1867 by Degland and Gerbe to a species that had already been named Vultur tracheliotos  by J.R. Forster in 1796 and which is now placed in a different genus, giving the name Torgos tracheliotos (Forster, 1796) – where the parentheses around the author name indicate that the scientific name has changed from the original version that was published by Forster.

These taxonomic and documentation twists are however rendered redundant as soon as you realise that this specimen is from a totally different species. In fact it’s not really anything like Torgos tracheliotos the Lappet-faced Vulture:

lappet-faced_vulture.jpg

Lappet-faced vulture

In fact, the only real similarity lies in the tip of the beak, which is a functional feature for tearing meat and which is convergent between the Old World Vultures and the New World Vultures. The Lappet-faced Vulture is an African species, while the mystery object has the distinctive deflection of the bill in the nasal region that indicates it’s a species from the Americas. This discrepancy in region was noted by palfreyman1414 and Gerard van den Brink.

Once you focus on the New World Vultures it becomes quite easy to make an identification, since there are only seven species and at 121mm this specimen is the third largest species after the condors – something easy to check on Skullsite. So well done to everyone who recognised the skull as belonging to the King Vulture Sarcoramphus papa (Linnaeus, 1758), especially palfreyman1414 who got there first.

514px-sarcoramphus_papa_-national_zoo_-washington_-usa-8a

King Vulture by Eric Kilby, 2008

As you can see, not only was the taxonomy very out of date for this specimen, it was also completely wrong, because it was misidentified 150 years ago. This is why you should never fully trust labels – they will often be wrong and if you base research on misidentified specimens, that will be wrong too.

Another mystery specimen next week!