Grey Kestrel
Falco ardosiaceus
It is a fairly small, stocky kestrel with a large, flat-topped head and fairly short wings that don't reach past the tip of the tail when at rest. It is 28–33 cm long with a wingspan of 58–72 cm and a weight of up to 300 grams. The female is 4-11% larger and 5-11% heavier than the male. The plumage of the adult is uniformly dark grey apart from darker wingtips, faint dark streaking on the body and slightly barred flight feathers. The feet and cere are yellow and there is bare yellow skin around the eye.
ID text from Wikipedia, CC BY-SA 4.0
Red-necked Falcon
Falco chicquera
The red-necked falcon is a medium-sized, long-winged species with a bright rufous crown and nape. It is on average 30–36 cm (12–14 in) in length with a wingspan of 85 cm (33 in). The wings and upper parts are bluish grey and the tail has narrow bars, a broad subterminal black band tipped with white. The wingtip does not reach the tip of the tail at rest. The second and third primaries are the longest and almost equal in length while the first is a fourth the length. The first two primaries are notched. The legs, ceres and eyering are yellow.
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: Grey Kestrel and Red-necked Falcon.