Category NP (passerines)
Species included here have been published in various journals, but have been found to be not proven for the species to be admitted in Categories A-C prior to 1950. Some of these species have been recorded since 1950 and are now accepted in Categories A-C.
Vireonidae Vireos
Featured
Laniidae Shrikes
Featured
Corvidae Crows, Jays and Magpies
Featured
Alaudidae Larks
Acrocephalidae Reed Warblers and Allies
Hirundinidae Swallows
Featured
Aegithalidae Tit-warblers, Bushtits and Long-tailed Tit
Featured
Phylloscopidae Leaf Warblers
Featured
Sylviidae Sylviid Warblers and Allies
Bombycillidae Waxwings
Featured
Regulidae Kinglets
Mimidae Mockingbirds and Thrashers
Featured
Turdidae Thrushes
Featured
Muscicapidae Chats, Old World Flycatchers and Allies
Passeridae Snowfinches and Old World Sparrows
Featured
Motacillidae Wagtails and Pipits
Fringillidae Finches, Euphonias and Allies
Emberizidae Old World Buntings
Featured
Icteridae New World Blackbirds, Troupials and Allies
Parulidae New World Warblers
Featured
Cardinalidae Cardinals and Allies
Featured