|White-headed Pigeon Columba leucomela, Nowra, New South Wales.|
They eat fruit in dense, often rainforest, trees, and being aware of others of the flock
will be assisted by the contrasting heads in the shadows.
|Carnaby's (or Short-billed) Black-Cockatoos Calyptorhynchus latirostris, north of Perth, Western Australia.|
It's not entirely clear why being so visible is significant to a big flock-living bird of open country, but it can't be chance.
|Banded Lapwing Vanellus tricolor, Windorah, Queensland.|
They feed, often in loose flocks, on the ground in inland plains. In this situation too the black and white contrast
would assist in staying aware of the whereabouts of others.
|African Fish Eagle Haliaeetus vocifer, Queen Elizabeth NP Uganda.|
Pairs perch near water, often far apart, and the white-over-black stands out over great distances.
|Little Pied Cormorant Microcarbo melanoleucos and White-necked Heron Ardea pacifica, |
Lake Cargelligo New South Wales.
|Pied Kingfisher Ceryle rudis, Queen Elizabeth NP Uganda.|
|Galapagos Penguin Spheniscus mendiculus, Bartolomé.|
|White-naped Honeyeaters Melithreptus lunatus, Jindabyne, New South Wales.|
These are primarily leaf-gleaners.
|Malayan Tapir Tapirus indicus, Adelaide Zoo.|
Unfortunately the black rump and hind legs aren't visible here.
|Plains Zebras Equus burchellii, grooming, Etosha NP, Namibia.|
|Giant Panda Ailuropoda melanoleuca, Adelaide Zoo.|
|Guereza Colobus Colobus guereza, Queen Elizabeth NP Uganda.|
Perhaps my favourite monkey!
|Melaleuca cuticularis, Lake Monjimup, Western Australia.|