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@synapsid-taxonomy
Ever think about how two camelid species have been completely domesticated such that no wild populations not descended from feral individuals exist
There is a third species that is colloquially known as the "wild Bactrian camel" which is not in fact the wild ancestor of the Bactrian camel, nor is it a feral population. Its ancestors split from the ancestors of Bactrian camels approximately a million years ago. Each is monophyletic and excludes the other
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Ever think about how two camelid species have been completely domesticated such that no wild populations not descended from feral individuals exist
Kalakocetus aurorae was an early cetacean that lived during the Eocene, about 50-48 million years ago, in what is now the northwestern region of the Indian subcontinent.
It represents the (currently) most basal known branch of the whale lineage, with teeth that are transitional between the crushing herbivorous-omnivorous molars of the closely-related raoellids and the shearing carnivorous molars of later archaeocetes.
Only known from a lower jaw and teeth, its full life appearance is unknown — but based on the body proportions of other early cetaceans it would have been a roughly cat-sized animal, around 60cm long (~2'), possibly resembling a smaller version of its better-known relative Pakicetus. It was also probably similarly semiaquatic, wading into rivers to hunt fish and other small freshwater prey.
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Hartebeest look fake
Child's drawing looking ass
Choerosaurus dejageri, the permian therocephalian with a funny face.
I watched the first episode of surviving earth and that led me down a rabbit hole on permian therapsids and my new favorite extinct animal. It's a funny dog. I didn't know much about therocephalians and they're a lot more diverse than I thought! The bosses on Choerosaurus' skull is thought to be for display as they're too fragile for headbutting.
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Is it true that kangaroo can only move their legs at the same time, like they can’t move them independently leg humans or dogs do?
yes with an exception: when kangaroos are on land, they use their legs together for hopping, but when they swim, they alternate which leg is kicking just like humans and dogs do!
so they CAN, they just don't unless they think they need to.
This has not always been the case however! Australia used to have another group of kangaroos called the sthenurines, also known as "short-faced kangaroos" (skeleton A below). They were proportioned quite differently, with larger bodies and shorter legs, feet and tails:
They were so differently proportioned, and some species grew so large, than hopping like a modern kangaroo was probably physically impossible for them, so researchers have proposed that they walked bipedally instead!
Members of Sthenurinae – an ancient family of kangaroos that lived until 30,000 years ago - likely preferred walking to hopping.
There are multiple delightfully cursed reconstructions of this behaviour which makes them look more like a person running around pretending to be a dinosaur than anything else
knuckle tats that read
FRUI TBAT
did you know? some primates have been observed to exhibit "blogging" behavior
who tagged this with "unreality". this is just a fact. a primate wrote this post
Pronghorn Antilocapra americana
Observed by nn4ever, CC BY-NC
Have you seen the long-nosed fur seal (Arctocephalus forsteri)?
I have now
Yes, in photos/videos
Yes, irl
I'm not sure
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Did land horses evolve from sea horses or did sea horses evolve from land horses? You posted about land horses recently so I figured you might know.
Both evolved from this thing, which is currently not living
This is too funny to leave in the tags
Did land horses evolve from sea horses or did sea horses evolve from land horses? You posted about land horses recently so I figured you might know.
Both evolved from this thing, which is currently not living
Being hairy is so awesome #mammal
From the Nashville Zoo’s fb page! Here’s the petition, please please please take a moment to add your name (even if you’re not from Nashville!). If you are from Tennessee, contact your representatives and make it clear that the people do not want this data center. This is an AZA accredited zoo which is home to several species of critically endangered animals, we NEED to protect it. Make your voice heard!
Because people will pay attention to cute animals, here are some of the critically endangered/endangered species housed at the Nashville Zoo!
The Amur Leopard and Clouded Leopard (which recently celebrated its 50th cub born at the zoo!)
The Sumatran Tiger
The Red Ruffed Lemur and Ring-Tailed Lemur
The Cotton-Top Tamarin and White-Cheeked Gibbon
The Colobus Monkey and De Brazza’s Monkey
And the Mexican Spider Monkey!
Look at them!!!! Look at them and fight like hell to save them!!!!
Adding my own images of Nashville Zoo to this. It’s super important to stand, fight, and continue to spread awareness on this.
There’s so many other great animals at this zoo, and it's done so much in teaching people about animals and conservation.
cave lion from prehistoric planet compared to neolithic cave lion art
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[You should look a gift ungulate in the mouth: Using 2D occlusal cheek tooth morphology to study the evolution of molarization in ungulates]
Ashbaugh et al. (2026)
Kiang Equus kiang
Observed by migi30, CC BY-NC
