Melonpool (Chimpanzee Transformation)

Here is an ape TF from an old page of the webcomic Melonpool. For some reason, detailed chimp TFs are not very common.

Archipelago (Wereshark Transformation)

The webcomic Archipelago recently featured a neat wereshark transformation. It starts here.

Sorcery 101 (Werewolf Transformation)

Several main characters in this long-running webcomic are werewolves. One of the younger ones undergoes a transformation that starts here.
Werewolves feature in two other comics from the same artist. There is a reversion in Strange Someone and a quick transformation in Bisclavret (based on the classic medieval werewolf story by Marie de France).

Howling Brat (Werewolf Transformation)

A short post: here's a little film with a young werewolf. Low budget and not a lot of process, but charming.