Synapsida

Sthenictis , a fossil mustelid Last September, I began a survey of the weasel family , the largest, and arguably the most varied, family...

Geoffroy's spider monkey Monkey Sleep, Monkey Poo Poo is useful stuff to zoologists: a lot of field work involves examining the st...

There were a number of Ice Ages during the Pleistocene, but the most severe of them all seems to have been the most recent one - the Last...

A horse skull The majority of mammalian species are, to a greater or lesser degree, herbivorous. This shouldn't be too surprising: t...

The Utah prairie dog has the biggest burrows If you live in Britain, or, for that matter, many other parts of Europe, a "squirrel...

Chinese ferret-badger So far, in my survey of the weasel family , I have covered a number of familiar species: stoats, badgers, and otte...

Scaloposaurus , a therocephalian. This artist has chosen to show it hairy, which is plausible, but uncertain. When I was at school, I ...