Great American Interchange

Northern
Stopped by Filter

Shrews
Pocket mice
Pocket gophers
Beavers
Pronghorn
Bison
Northern
Crossing Filter

Rabbits
Field mice
Foxes
Bears
Raccoons
Weasels
Cats
Mastodons
Horses
Tapirs
Peccaries
Camels
Deer


Southern
Crossing Filter

Porcupines
Glyptodonts
Armadillos
Ground Sloths
Opossums


Southern
Stopped by Filter

Primates
Octodonts
Spiny rats
Nutrias
Agoutis
Capybaras
Cavies
3-toed sloths
Anteaters
Shrew Opossums