Senegal Thick-knee
Burhinus senegalensis
Senegal thick-knees are medium-large waders with strong black and yellow black bills, large yellow eyes — which give them a reptilian appearance — and cryptic plumage. They are similar but slightly smaller than the Eurasian stone-curlew, which winters in Africa. The long dark bill, single black bar on the folded wing, and darker cheek stripe are distinctions from the European species. Senegal thick-knee is striking in flight, with a broad white wing bar.
ID text from Wikipedia, CC BY-SA 4.0
Water Thick-knee
Burhinus vermiculatus
The water thick-knee is 38 to 41 cm (15–16 in) and weighs 293–320 g (10.3–11.3 oz). It has a heavy bill that is black with some pale yellow from the nostril to the base. The wings are broad and blunt and the tail is short. Its legs are pale greenish yellow, and the iris colour greenish yellow with black tracing.
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: Senegal Thick-knee and Water Thick-knee.