Lemmus

• European lemming

  Notable for mass migrations even into the sea where many drown.

• brown lemming

  Of northwestern Canada and Alaska.

Also contains

• pied lemming

  North American lemming having a white winter coat and some claws much enlarged.

• grey lemming

  Old World lemming.

• southern bog lemming

  Of low bogs and meadows of northeastern and central United States and southern...

• northern bog lemming

  Of wet alpine and subalpine meadows of Canada and Alaska.