[Mystery bird] Village Indigobird, Vidua chalybeata, photographed in Tarangire National Park, Tanzania, Africa. [I will identify this bird for you in 48 hours]
Nikon D300, 600 mm VR lens with 1.4 extender ISO 500, f/8, 1/1000 sec.
Please name at least one field mark that supports your identification.
This Old World genus of birds is filled with species that have a very close relationship with another species of bird — can you tell me the nature of that relationship and tell me which species this bird is associated with?
It is a brood parasite which lays its eggs in the nests of Red-billed Firefinches, also known as Senegal Firefinch, Lagonosticta senegala. Unlike the Common Cuckoo, it does not destroy the host’s egg when it adds 2-4 eggs of its own to those already present. The eggs of both the host and the firefinch are white, although the indigobird’s are slightly larger. The nestling indigobirds mimic the unique gape pattern of the fledglings of the host species.