Mammals of the United States by state and month, built from research-grade iNaturalist observations. 140 species have their own page with a state-by-state season table.
Choose a state
- Alabama75
- Alaska91
- Arizona138
- Arkansas70
- California201
- Colorado128
- Connecticut60
- Delaware44
- District of Columbia33
- Florida96
- Georgia79
- Hawaii33
- Idaho94
- Illinois72
- Indiana59
- Iowa57
- Kansas71
- Kentucky66
- Louisiana59
- Maine68
- Maryland71
- Massachusetts74
- Michigan68
- Minnesota75
- Mississippi60
- Missouri64
- Montana91
- Nebraska82
- Nevada118
- New Hampshire66
- New Jersey74
- New Mexico147
- New York82
- North Carolina95
- North Dakota66
- Ohio69
- Oklahoma96
- Oregon149
- Pennsylvania70
- Rhode Island54
- South Carolina68
- South Dakota83
- Tennessee77
- Texas175
- Utah111
- Vermont58
- Virginia90
- Washington140
- West Virginia62
- Wisconsin71
- Wyoming89
Most-observed mammals
White-tailed Deer
Eastern Gray Squirrel
Eastern Fox Squirrel
Eastern Cottontail
Common Raccoon
Coyote
Mule Deer
Eastern Chipmunk
Virginia Opossum
California Ground Squirrel
American Beaver
American Black Bear
Red Fox
Groundhog
Desert Cottontail
American Red Squirrel
Bobcat
Striped Skunk
Domestic Cat
California Sea Lion
Wapiti
Mexican Long-nosed Armadillo
Gray Fox
Muskrat
All mammals A–Z
- Abert's Squirrel
- American Badger
- American Beaver
- American Bison
- American Black Bear
- American Ermine
- American Mink
- American Pika
- American Red Squirrel
- American Shrewmole
- Aoudad
- Arctic Ground Squirrel
- Arizona Gray Squirrel
- Belding's Ground Squirrel
- Big Brown Bat
- Bighorn Sheep
- Black Rat
- Black-tailed Jackrabbit
- Black-tailed Prairie Dog
- Bobcat
- Botta's Pocket Gopher
- Brown Bear
- Brown Rat
- Brush Rabbit
- Bushy-tailed Woodrat
- California Ground Squirrel
- California Sea Lion
- California Vole
- Caribou
- Cascade Golden-mantled Ground Squirrel
- Chital
- Cliff Chipmunk
- Collared Peccary
- Columbian Ground Squirrel
- Common Bottlenose Dolphin
- Common Dolphin
- Common Golden-mantled Ground Squirrel
- Common Raccoon
- Coyote
- Coypu
- Desert Cottontail
- Domestic Cat
- Domestic Cattle
- Domestic Dog
- Domestic Goat
- Domestic Horse
- Donkey
- Douglas's Ground Squirrel
- Douglas's Squirrel
- Dusky-footed Woodrat
- Eastern Chipmunk
- Eastern Cottontail
- Eastern Fox Squirrel
- Eastern Gray Squirrel
- Eastern Meadow Vole
- Eastern Mole
- Eastern Red Bat
- Fisher
- Franklin's Ground Squirrel
- Fremont's Squirrel
- Gray Fox
- Gray Wolf
- Grey Seal
- Grey Whale
- Groundhog
- Gunnison's Prairie Dog
- Hairy-tailed Mole
- Harbor Seal
- Harbour Porpoise
- Harris' Antelope Squirrel
- Hawaiian Monk Seal
- Hispid Cotton Rat
- Hoary Marmot
- House Mouse
- Humpback Whale
- Least Chipmunk
- Lodgepole Chipmunk
- Long-tailed Weasel
- Marsh Rabbit
- Masked Shrew
- Merriam's Chipmunk
- Mexican Free-tailed Bat
- Mexican Long-nosed Armadillo
- Moose
- Mountain Cottontail
- Mountain Goat
- Mountain Lion
- Mule Deer
- Muskrat
- North American Porcupine
- North American River Otter
- Northern Broad-footed Mole
- Northern Elephant Seal
- Northern Hoary Bat
- Northern Short-tailed Shrew
- Olympic Marmot
- Orca
- Pacific Marten
- Pallid Bat
- Pronghorn
- Red Fox
- Ringtail
- Rio Grande Ground Squirrel
- Risso's Dolphin
- Rock Squirrel
- Round-tailed Ground Squirrel
- Sea Otter
- Sika Deer
- Silver-haired Bat
- Small Indian Mongoose
- Snowshoe Hare
- Sonoma Chipmunk
- Southern Flying Squirrel
- Southern Short-tailed Shrew
- Spinner Dolphin
- Star-nosed Mole
- Steller Sea Lion
- Striped Skunk
- Swamp Rabbit
- Tamanend's Bottlenose Dolphin
- Thirteen-lined Ground Squirrel
- Townsend's Chipmunk
- Tri-coloured Bat
- Uinta Chipmunk
- Uinta Ground Squirrel
- Virginia Opossum
- Wapiti
- West Indian Manatee
- Western Deer Mouse
- Western Gray Squirrel
- White-footed Mouse
- White-nosed Coati
- White-tailed Antelope Squirrel
- White-tailed Deer
- White-tailed Jackrabbit
- White-tailed Prairie Dog
- Wild Boar
- Wyoming Ground Squirrel
- Yellow-bellied Marmot
- Yellow-pine Chipmunk