Gull the exceptions being Sabine's gull and swallow-tailed gulls, which have forked tails, and Ross's gull, which has a wedge-shaped tail. Gulls have moderately long legs, especially when compared to the similar terns, with fully webbed feet. The bill is generally heavy and slightly hooked, with the larger species having stouter bills than the smaller species. The bill colour is often yellow with a red spot for the larger white-headed species and red, dark red or black in the smaller species. The gulls are generalist feeders. Indeed, they are the least specialised of all the seabirds, and their morphology allows for
Fork-tailed drongo shown in any animal other than humans. Two to four eggs are laid in a cup nest in a fork high in a tree. Drongos are brood hosts for African Cuckoos and Jacobin Cuckoos. Its populations are genetically highly structured, and four races are accepted. The races "D. a. modestus" (Príncipe) together with "D. a. coracinus" and "D. a. atactus" (Bioko to west and central mainland Africa, from Guinea east to western Kenya and south to Angola) are usually split as a separate species, the velvet-mantled drongo, "D. modestus" (Hartlaub, 1849). Fork-tailed drongo The fork-tailed drongo, also called the common