American Hawk Owl (Surnia ulula) | Affiliated Manuscripts | Further Data

Occurrence in Amherst & Connecticut Valley, Mass.
C19

Very rare winter visitor

December - February

C20

Very rare, irregular winter visitor, or transient in (October) November and (February) March

October - March

C21

Accidental; an irregular vagrant recorded in eight or fewer of the last fifty years

Habitat
Clearings in boreal coniferous forests and muskeg.
Nest Materials
in the holes of trees created by woodpeckers or in naturally decayed hollows and broken tree trunks
19th-20th Century Field Notes
HAWK OWL . Above , brown , marked with white ; beneath , white , barred with brown . Length , 15 in . One instance . Hadley , March , 1884 . Mr . Henry Moody . A pair .

—H.L. Clark, 1887

21st Century Conservation Notes

Most of North American breeding range is remote from effects of human disturbance.*