5400 x 3600 px | 45,7 x 30,5 cm | 18 x 12 inches | 300dpi
Data acquisizione:
16 ottobre 2016
Ubicazione:
Botswana
Altre informazioni:
Wahlberg's eagle (Hieraaetus wahlbergi, formerly Aquila wahlbergi) is a bird of prey. It is about 53–61 cm (21–24 in) in length with a wingspan of 130–146 cm (51–57.5 in) and a body mass of 437–845 g (15.4–29.8 oz) for males and 670–1, 400 g (1.48–3.09 lb) for females on average. Like all eagles, it belongs to the family Accipitridae. Wahlberg's eagle breeds in most of Africa south of the Sahara. It is a bird of woodland, often near water. It builds a stick nest in the fork of a tree or the crown of a palm tree. The clutch is one or two eggs. Wahlberg's eagle is a medium-sized raptor. The plumage is dark brown except for dark-streaked grey undersides to the flight feathers, and a barred grey undertail. The head has a small crest, and the legs are yellow. A pale variant is much lighter brown with whitish, rather than grey undertail and flight feather undersides. Sexes are similar. In flight, this species is very cross-shaped, with long, evenly wide wings, a slim body, and long, narrow, square-ended tail. The wings are held very flat. Wahlberg's eagle hunts reptiles, small mammals, and birds. The call is a whistled kleeah-kleeah-kleeah. This bird is named after the Swedish naturalist Johan August Wahlberg
