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RED PANDAS


LONG-LOST FAMILY – RED PANDAS

November 3, 2015November 3, 2015 JoannaLong-lost family, Mammals, phylogenyLeave
a comment

Red pandas are unarguably adorable, but where do they fit in the tree of life?
In the first instalment of what will become a series, I’m going to investigate
the family tree of the enigmatic red panda (and post a lot of pictures of them,
all in the name of science).



Let’s have a look at the names: it’s most commonly known in English as the red
panda, less often as the lesser panda, bear cat or cat bear, and has the Latin
name Ailurus fulgens (from the Greek and Latin, translating as ‘bright/shining
cat’). Based on those names, you’d be forgiven for thinking they’re some sort of
fiery-hued hybrid between cats, bears and giant pandas.



The current scientific understanding is for a similarly mixed family tree: red
pandas form their own taxonomic family, Ailuridae, having been previously sorted
along with giant pandas, then raccoons, and their closest living relatives are
Procyonidae (raccoons) and Mustelidae (weasels, badgers, otters, martens,
wolverines, and other similar animals). Their next closest relative are the
Mephitidae, the skunk family, and all four of these families together are
grouped in the Musteloidea superfamily – here’s a handy diagram in case I lost
you:



So far, so sensible – after all, raccoons just look like monochrome red pandas.
One step above the Musteloidea superfamily, though, and everything goes a bit
skew-whiff from what you might expect: the next-of-kin of the Musteloidea are…
seals! More specifically, they are the Pinnipedia, the taxonomic group
containing seals, sea lions and walruses. Both Musteloidea and Pinnipedia are
related to bears (Ursidae), bringing us to the red panda’s larger and more
famous namesake, the giant panda. Although they were once thought to be in the
same family, red pandas are only distantly related to giant pandas, and their
similarities are mostly limited to a similar diet and habitat.





References
Sato et al, 2009. Deciphering and dating the red panda’s ancestry and early
adaptive radiation of Musteloidea (Available from Pubmed:
http://www.ncbi.nlm.nih.gov/pubmed/19699810)


Long-lost family – Red pandas
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