Reptile reproduction also depends on temperature. Only boas and pythons give birth to live young. The other species lay their eggs in a simple nest, and leave. The young hatch days to months later.

To the untrained eye, alligators and crocodiles look practically identical — one has a narrower snout, one has a broader one, ...

Snakes and mice don't look alike. But much of what we know about skin coloration and patterning in vertebrates generally, including in snakes, is based on lab mice. However, there are limits to what ...