INTERESTING COMPARISONS
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Here you have other comparisons between species from different continents. They seem to be very similar, however, some details make the difference!
Black-necked Stilt ( Himantopus mexicanus)
Photograph by Alfredo Colón
Black-winged Stilt (Himantopus himantopus)
Photograph by Nicole Bouglouan
Hoopoe (Upupa epops
Photograph by Nicole Bouglouan
African Hoopoe (Upupa africana)
Photograph by Steve Garvie
Grey Crowned Crane (Balearica regulorum)
Photograph by Nicole Bouglouan
Black Crowned Crane ( Balearica pavonina)
Photograph by Nicole Bouglouan
Pin-tailed Whydah - Viuda macroura
Photograph by Jean Marc Rabby
Strange-tailed Tyrant - Alectrurus risora
Photograph by Philippe and Aline Wolfer