Audubon's shearwater ill-resolved clade also including such species as the little shearwater, the Manx shearwater ("P. puffinus") or the black-vented shearwater ("P. opisthomelas"). The little-known Heinroth's shearwater ("P. heinrothi") is sometimes considered a subspecies of either Audubon's or the little shearwater. Though it is likely to be another member of that close-knit group, its actual relationships remain uncertain due to lack of specimens. Audubon's shearwater itself has around 10 subspecies. Several have at one time or another been suggested to constitute separate species. For example, the Galápagos Islands population has turned out to be a very distinct species, the Galápagos shearwater ("P.
Wildlife of Morocco endemic bird species, the northern bald ibis ("Geronticus eremita") occurs here, and there are about 12 globally endangered species; the white-headed duck ("Oxyura leucocephala"), the Balearic shearwater ("Puffinus mauretanicus"), the northern bald ibis, the Egyptian vulture ("Neophron percnopterus"), the lappet-faced vulture ("Torgos tracheliotos"), the hooded vulture ("Necrosyrtes monachus"), the white-backed vulture ("Gyps africanus"), the Rüppell's vulture ("Gyps rueppelli"), the sociable lapwing ("Vanellus gregarius"), the slender-billed curlew ("Numenius tenuirostris"), the great knot ("Calidris tenuirostris") and the saker falcon ("Falco cherrug"). Other birds with restricted ranges in north Africa include the Levaillant's woodpecker ("Picus vaillantii"), the Moussier's redstart ("Phoenicurus moussieri") and the