Forests are incredibly diverse ecosystems, so the animals that live there vary greatly depending on the specific type of forest (temperate, tropical, boreal, etc.) and its location. However, here are some common animal groups found in many forest biomes:

Mammals:

* Large Mammals: Deer, elk, moose, bears, wolves, foxes, wild boar, mountain lions, jaguars, monkeys, sloths, tapirs

* Small Mammals: Squirrels, chipmunks, rabbits, mice, shrews, bats, opossums, raccoons, weasels, badgers

Birds:

* Forest Floor: Woodpeckers, owls, hawks, grouse, turkeys, pheasants

* Canopy: Hummingbirds, parrots, toucans, warblers, tanagers, vireos, songbirds

Reptiles and Amphibians:

* Lizards: Lizards like geckos, iguanas, and chameleons

* Snakes: Garter snakes, rattlesnakes, pythons, boas

* Frogs and Toads: Tree frogs, poison dart frogs, toads, salamanders

Insects:

* Ants, beetles, butterflies, moths, grasshoppers, spiders, centipedes, millipedes - There are countless species of insects that inhabit forests, playing crucial roles in decomposition and pollination.

Other:

* Fish: In streams and rivers within the forest

* Snails and slugs: Found on the forest floor

* Earthworms: Important for soil health

* Mushrooms and fungi: Play a role in decomposition

Remember: This is just a small sampling of the vast diversity of animals found in forests. Each specific forest biome has its own unique set of species adapted to its particular environment.