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Natural History Calendar

Birds


Bald eagle on nest

Bald Eagle


Bald eagles are building or maintaining nests.


Graphical depiction of the time range for this entry (see next paragraph for the text depiction).

(Early January through Late February)


Great horned owl by nest

Great Horned Owl


Great horned owls begin nesting.


Graphical depiction of the time range for this entry (see next paragraph for the text depiction).

(February)


Bald eagle on nest

Bald Eagle


Bald eagles are laying eggs.


Graphical depiction of the time range for this entry (see next paragraph for the text depiction).

(Late February through Mid-March)


Sharptail snow cave (example to illustrate what gray partridge also do)

Gray Partridge


Gray partridge and sharp-tailed grouse often use snow for thermal cover, and may be found burrowing and roosting under snow.


Graphical depiction of the time range for this entry (see next paragraph for the text depiction).

(Early December through Late February)


Snow bunting group in snow (Adobe stock)

Snow Bunting


Snow buntings come to the state to overwinter.


Graphical depiction of the time range for this entry (see next paragraph for the text depiction).

(Mid-October through Early April)


Female snowy owl flying over snow

Snowy Owl


Snowy owls may be found overwintering in the state.


Graphical depiction of the time range for this entry (see next paragraph for the text depiction).

(Late October through Early May)


Northern hawk owl in tree

Northern Hawk Owl


Northern hawk owls, an uncommon visitor to ND, may be seen.


Graphical depiction of the time range for this entry (see next paragraph for the text depiction).

(Late November through Late March)


Sage grouse female in grass

Sage Grouse


Sage grouse survival rates are relatively high in winter. Winter diet consists almost entirely of sagebrush buds and leaves.


Graphical depiction of the time range for this entry (see next paragraph for the text depiction).

(Early December through Late February)


Sharptails in tree

Sharp-Tailed Grouse


Sharp-tailed grouse diet consists primarily of berries (buffalo berry, rose hips, snow berrires, etc) and buds (green ash, alder, chokecherry, etc) during winter months.


Graphical depiction of the time range for this entry (see next paragraph for the text depiction).

(Early December through Late February)


Sharptail snow cave

Sharp-Tailed Grouse


Sharp-tailed grouse and gray partridge often use snow for thermal cover, and may be found burrowing and roosting under snow.


Graphical depiction of the time range for this entry (see next paragraph for the text depiction).

(Early December through Late February)

Mammals


Coyote howling

Coyote


Coyotes are breeding and howling is at its peak.


Graphical depiction of the time range for this entry (see next paragraph for the text depiction).

(Early January through Late March)


Red fox in snow

Red Fox


Red fox breeding season.


Graphical depiction of the time range for this entry (see next paragraph for the text depiction).

(Mid-January through Mid-February)


2 Beaver on a log

Beaver


Beaver breeding season.


Graphical depiction of the time range for this entry (see next paragraph for the text depiction).

(Late January through Late March)


Bobcat in snow

Bobcat


Bobcat are breeding and juveniles are dispersing.


Graphical depiction of the time range for this entry (see next paragraph for the text depiction).

(Late January through Mid-March)


Skunk in snow

Striped Skunk


Striped skunk males begin leaving their winter dens in search of mates.


Graphical depiction of the time range for this entry (see next paragraph for the text depiction).

(Early February through Mid-February)


Two raccoons in a wetland

Raccoon


Raccoon breeding season.


Graphical depiction of the time range for this entry (see next paragraph for the text depiction).

(Mid-February through Late March)


Mink in snow

Mink


Mink breeding season.


Graphical depiction of the time range for this entry (see next paragraph for the text depiction).

(Late February through Early April)


Red fox pup

Red Fox


Red fox pups born.


Graphical depiction of the time range for this entry (see next paragraph for the text depiction).

(Late February through Late March)


River otter in grass

River Otter


River otter born.


Graphical depiction of the time range for this entry (see next paragraph for the text depiction).

(Late February through Early April)


Skunk walking on ground

Striped Skunk


Striped skunk breeding season.


Graphical depiction of the time range for this entry (see next paragraph for the text depiction).

(Late February through Mid-April)


Black bear

Black Bear


Black bears are hibernating.


Graphical depiction of the time range for this entry (see next paragraph for the text depiction).

(Early November through Mid-March)

Insects


Monarch butterfly on milkweed leaf

Monarch Butterfly


Monarch butterfly annual migration begins in Mexico.


Graphical depiction of the time range for this entry (see next paragraph for the text depiction).

(Late February)