Slender-billed Curlew — Illustration from ca 1830 Conservation status … Wikipedia
Slender-billed Crow — Conservation status Least Concern (IUCN 3.1 … Wikipedia
Slender-billed Gull — Saloum Delta, Senegal Conservation status … Wikipedia
Slender-billed Parakeet — Conservation status … Wikipedia
Slender-billed Starling — Conservation status Least Concern (IUCN 3.1) Scientific classification … Wikipedia
Slender-billed Oriole — Conservation status Least Concern (IUCN 3.1) Scientific classification … Wikipedia
Slender-billed Thornbill — Taxobox name = Slender billed Thornbill status = LC | status system = IUCN3.1 image caption = regnum = Animalia phylum = Chordata classis = Aves ordo = Passeriformes familia = Pardalotidae genus = Acanthiza species = A. iredalei binomial =… … Wikipedia
Slender-billed Vulture — Taxobox name = Slender billed Vulture status = CR | status system = IUCN3.1 trend = down image caption = Head of Gyps tenuirostris regnum = Animalia phylum = Chordata classis = Aves ordo = Falconiformes familia = Accipitridae genus = Gyps species … Wikipedia
Slender-billed Kite — Taxobox name = Slender billed Kite status = LC | status system = IUCN3.1 regnum = Animalia phylum = Chordata classis = Aves ordo = Falconiformes familia = Accipitridae genus = Helicolestes genus authority = species = H. hamatus binomial =… … Wikipedia
Slender-billed Finch — Taxobox name = Slender billed Finch status = NT status system = IUCN3.1 image width = image caption = regnum = Animalia phylum = Chordata classis = Aves ordo = Passeriformes familia = Thraupidae genus = Xenospingus genus authority = Cabanis, 1867 … Wikipedia