The supercilium is a plumage feature found on the heads of some bird species. It is a stripe that runs from the base of the bird's beak above its eye, finishing somewhere towards the rear of the bird's head. Also known as an "eyebrow", it is...
An eyebrow is an area of short terminal hairs above each eye that follows the shape of the lower margin of the brow ridges of some mammals. In humans, eyebrows serve two main functions: first, prevention of sweat, water, and other debris from...
The western yellow wagtail (Motacilla flava) is a small passerine bird in the wagtail family Motacillidae, which also includes the pipits and longclaws. This species breeds in much of temperate Europe and Asia. Most populations are migratory, moving...
The white-browed coucal or lark-heeled cuckoo (Centropus superciliosus), is a species of cuckoo in the family Cuculidae. It is found in sub-Saharan Africa. It inhabits areas with thick cover afforded by rank undergrowth and scrub, including in...
The Eurasian nuthatch (Sitta europaea) is a small passerine bird found throughout temperate Asia and in Europe. There are more than 20 subspecies, but the precise number depends on how small differences between populations are evaluated. This...
The American goshawk (Astur atricapillus) is a species of raptor in the family Accipitridae. It was first described by Alexander Wilson in 1812. The American goshawk was previously considered conspecific with the Eurasian goshawk but was assigned to...
The New Caledonia thicketbird or New Caledonia grassbird (Cincloramphus mariae), is a bird species. Previously placed in the "Old World warbler" family Sylviidae, it does not seem to be a close relative of the typical warblers; probably it belongs...
The yellow-throated warbler (Setophaga dominica) is a small migratory songbird species in the New World warbler family (Parulidae) found in temperate North America.
The variable sunbird or yellow-bellied sunbird (Cinnyris venustus), formerly Nectarinia venusta, is a sunbird. The sunbirds are a group of small Old World passerine birds which feed largely on nectar, although they will also take insects, especially...
The line-cheeked spinetail (Cranioleuca antisiensis) is an arboreal species of bird in the ovenbird family Furnariidae. It is a common species in the Andes in Ecuador and Peru. Its natural habitat is subtropical or tropical moist montane forests,...
