Natural History Calendar

Spring

Snow geese are in the midst of spring migration, black bears begin emerging from hibernation...

Crocus begin blooming on the prairie, coyote pups begin emerging from their dens...

Monarchs reach the state, duck migration is completing...

White-tailed fawns are being born, American marten breeding season begins...

Bison rut intensifies from late July into August, long-tailed weasel breeding season begins...

Big brown bats begin dispersal from summer roosts, white-tailed fawn wean...

Canada geese begin their southern migration, coyote juveniles begin dispersing...

Snowy owls may begin moving into the state for the winter, black bears are hyperphagic...

Striped skunks begin to form communal dens...

Bighorn sheep breeding wanes...

Wood frogs are hibernating forzen almost solid and without a heartbeat, coyote howling peaks...

Great horned owls begin nesting, raccoon breeding season begins...