A collection of quick horse sketches in pen:

Parandrus, a beast that can conceal itself by changing its appearance. Acrylic on paper:

Here's a few more quick bird sketches:

 Two minute fish sketches:

Rowley:

A little more animal anatomy stuff I've been doing recently:

Some sketches done in vine charcoal on some scrap paper, hence all the imperfections. The scans came out very stark on the white paper so I may try using a darker ground in the future.

Some recent sketchbook pages of animal anatomy drawings - there's quite a few horses legs and joints in this one.