_Archibuteo lagopus sancti-johannis_
Legs feathered to the toes; basal half of tail
white; belly black. Some individuals are wholly
black. L., male, 21; female, 23.
_Range._ Breeds in northern Canada; usually rare
and irregular in the northern U.S., from November
to April.
Washington, rare and irregular W.V. Ossining,
casual. Cambridge, T.V., not common, Nov.-Dec.;
Mch.-Apl. N. Ohio, not common W.V., Nov. 20-Apl.
3. Glen Ellyn, quite common W.V., Oct. 12-Apl. 30.
SE. Minn., W.V., Oct. 15-Mch.
Frequents fields and marshes, where it hunts to and fro after mice,
which form its principal fare.