badger - spawn in woods, nocturnal, hunts small game
beaver - spawn in swamps, near rivers and ponds
bees - could possibly be a step up from ants
clam - found, like earthworms, except when digging sand
crab - spawn on sand
crane - spawn in swamps, lake shallows
duck - spawn in swamps, rivers, and lakes
ermine/stoat - spawns in forest or grass, hunts small game
ferret - tameable for use as a hunting aid with small game, e.g. rabbits, chickens, etc
goose - spawns near rivers and ponds
lynx - spawns on forests and possibly mountains, hunts small game
mink - basically the same as ermine
muskrat - spawns in swamps, near rivers and lakes
owl - spawns in woods, nocturnal, hunts small game
porcupine - spawns in forest, grassland
seal - spawns near oceans if such a thing were to exist
shrew - spawns in forest and maybe grasslands
snails - foragable food maybe?
spider - possible low level combat opportunity, source of spider silk bandages
squirrel - spawns in the forest
weasel - basically the same as ermine
wolves - yeah i know, already drawn, etc.
wolverine - spawns in forest, played by hugh jackman