Synapsida

I have previously discussed the dire wolves of Pleistocene North America, but really only in the context of how even earlier dogs were mu...

Marianas flying fox, a related species One of the defining features of mammals is that they're warm-blooded - at least, when they...

American red squirrel The squirrel family is a particularly large one, with almost 300 recognised species. About half of these are groun...

Reconstruction of Myotragus balearicus (Note the odd position of the eyes) Having said something about all the living species of goat-l...

Members of the dog family can be broadly divided into two groups. One goup are the vulpines, including such familiar animals as the red fo...

Monkeys can be a pretty violent lot. They will fight over access to resources or mates, or to establish dominance, which, in the long term...

It is obviously important for a female mammal (or, indeed, any animal) to, so far as she is able, ensure that she mates with the males who...