Fossils reveal a small ancient reptile related to crocodiles, Sonselasuchus cedrus, that may have switched from four legs to two as it grew.
Smithsonian Magazine on MSN
This ancient reptile started life on all fours. As it grew, it stood upright and started walking on two legs instead
Roughly 215 million years ago, an unusual-looking reptile traipsed around what is now Arizona. About the size of a poodle, the creature had large eye sockets, a toothless beak and short arms. During ...
While most reptiles are wild, many are kept as pets because of their reputation for being mysterious and exotic. Having an unconventional pet comes with its own concerns, though, that you'll need to ...
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