Twigs to build nest 2.0 feet across.
Smaller woodland birds.
can be up to 25% larger than males and weigh up to twice as much. When
females are larger than males, it is known as reverse sexual
dimorphism; this is unusual in higher vertebrates but typical in birds
of prey,and most marked in birds of prey which hunt birds.
Male:slate-grey upperparts with finely red-barred underparts.
greyish-brown upperparts, and brown-barred underparts.
Male: 29–34 cm.
Male: 59–64 cm.
Female: 35–41 cm.
Female: 67–80 cm .
4 - 5 pale blue, brown-spotted.