Dark Chanting Goshawk
Melierax metabates
The dark chanting goshawk is a medium-sized, bulky hawk with an upright stance. The head, breast and upperparts are essentially dark grey, while the underparts, other than the breast, are white, finely barred with black. The wing primaries are black, and the tail has broad black and white bars. The cere and the long legs are orange-red. The female is, on average, larger than the male, weighing up to 840g to the male's maximum weight of 700g. Voice: As its common name suggests, the dark chanting goshawk is a vocal bird, although less so than its two congeners. It often calls from a perch or in flight, making an accelerating series of piping notes and fluty whistles, which has been described as a song or chant and there are up to a dozen notes in a series peeu-peeu-pu-pu-pu. It also gives a high-pitched peee-u.
ID text from Wikipedia, CC BY-SA 4.0
Eastern Chanting Goshawk
Melierax poliopterus
This species averages 49 to 55 cm (19 to 22 in) long, with a wingspan of 96 to 110 cm (38 to 43 in) and a tail length of 20 to 25 cm (7.9 to 9.8 in). Males average 85 percent the size of females. Like the other chanting goshawks, it resembles an accipiter but the tail is shorter and graduated (the feathers increase in length from the edges to the center), and the wings are broader. Adults have grey head, neck, breast, and upperparts, except for the white or lightly barred uppertail coverts. The belly has narrow grey and white bars and the undertail coverts are white.
ID text from Wikipedia, CC BY-SA 4.0
Where you might meet both
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Play today's Daily BirdPhotos and recordings are credited to their authors under the licence shown. Full profiles: Dark Chanting Goshawk and Eastern Chanting Goshawk.