There are excellent websites out there that have very good images of almost every colour variation of Gerbil. Those sites are:

Gerbil links

The NGS - The official site of the NGS (National Gerbil Society) based in the UK.

The AGS - The official site of the AGS (American Gerbil Society)

Gerbil Shows UK - A website owned by a NGS breeder, contains a Colour Palette and Chat Forum.

Comfortable quarters for Gerbils - A good scientific article on gerbils.

Preventing stereotypical behaviour in Gerbils - A scientific article on how to stop stereotypical digging or bar chewing.

Kindred Gerbils - A website owned by a member of the NGS, based in Caithness, Scotland. Includes pictures of her own Gerbils as well as pups.

Aller Letze Gerbils - This site is owned by one of the NGS' Brazillian members -thus the site is in Portuguese. There are plenty of pictures of different colours.

Jörg Eberbeck's Gerbil Pages - This page contains very good images of gerbils, it is available in both English and German.

Gerbil Colour Palette - A colour palette, with pictures of most possible Gerbil colours. However it had not been updated for a while and so there are a few new colours available.

Hamster links

AAA Hamsters - Website of Linda Price, President and Chief Judge of California Hamster association.

Citadellets Hamstery - Swedish Syrian Hamster breeder, there's some beautiful photos of pup growth on here.

Hamster Society - The site of the British-based society, in affiliation to the British Hamster association. Check this site for shows etc.