Natural History Calendar
Striped skunk breeding season.
(Late February through Mid-April)
Fisher breeding season (embryos delay implantation and development for 10 months).
(Late March through Late April)
Richardson's Ground Squirrel
Richardson's ground squirrels emerge from hibernation.
(Late March through Early April)
River otter breeding season (embryos delay implantation for 8-9 months.
(Early April through Late April)
Sharp-tailed grouse breeding season (peaks in mid-April).
(Mid-March through Mid-May)
American bittern return to North Dakota from their wintering grounds.
(Mid-April through Mid-May)
Prairie crocus begin blooming.