The Sibley guide to birds
(Book)

Introduction : Classification of birds ; Equipment for birding ; Learning to identify birds ; Psychological effects and mistakes ; Variation in appearance ; Geographic variation and subspecies ; Learning songs and calls ; Finding rare birds ; Ethics ; Extinct species -- Bird topography : Parts of a passerine ; Parts of a shorebird ; Parts of a duck ; Mold and plumage -- Key to the species accounts -- Key to the group accounts -- Key to the range maps -- Ducks, geese, and swans : Geese head and bill shapes ; Identification of swans ; Domestic geese ; Domestic ducks ; Exotic waterfowl ; Hybrid mallard identification ; Downy young ; Rare and exotic ducks ; Identification of scaups ; Hybrid Aythya ; Identification of eiders ; Diving motions ; Goldeneye hybrids -- Upland game birds -- Loons and grebes : Loon habits ; Identification of grebes -- Albatrosses, petrels, and shearwaters : Molt in seabirds -- Storm-petrels -- Pelicans, boobies, and frigatebirds -- Cormorants : Identification of cormorants -- Tropicbirds -- Wading birds : Snowy egret vs. little egret ; Snowy egret vs. little blue heron ; Courtship colors ; Identification of dark ibises -- Hawks and vultures : Harrier flight shapes ; Accipiter identification ; Buteo identification -- Rails, coots, cranes, and limpkin : Identification of coots ; Crane behavior ; Habits of rails -- Shorebirds : Identification of yellowlegs ; Bill length in curlews ; Identification of small sandpipers ; Dowitcher identification ; Aerial displays of snipes and woodcocks ; Identifying pharalopes --

Gulls : Identification of bulls ; Identification of hybrid gulls ; Albinism in gulls

Terns and skimmer

Skuas and jaegers : Bill details ; Jaeger identification

Alcids

Pigeons and doves : Bird families

Cuckoos

Owls : Owling ; Branching owls

Nightjars : Eyeshine

Swifts

Hummingbirds : Hummingbird wing shapes ; Hummingbird displays ; Hybrid hummingbirds

Trogons and kingfishers : Kingfisher behavior

Woodpeckers : Woodpecker drumming

Falcons

Parrots

Tyrant flycatchers and becard : Identification of Empidonax ; Comparing Empidonax and other flycatchers

Shrikes

Vireos

Crows and jays

Larks

Swallows : Molting swallows

Chickadees and allies : Chickadee and titmouse identification ; Black-capped and Carolina chickadee identification

Nuthatches and creeper

Wrens : Sedge wren and grass sparrows

Gnatcatchers, kinglets, and others : Identification of gnatcatchers

Thrushes : Identification of bluebirds

Mockingbirds, thrashers, starlings, accentors, wagtails, and pipits

Waxwings, silky-flycatchers, oliver warbler, and longspurs : Identification of snow and McKay's bunting

Wood-warblers : Warbler identification ; Blue-winged x golden-winged warbler hybrids ; Hybrid warblers ; Taxonomic outliers ; Bill shapes of songbirds

Emberizine sparrows : Sparrow-like birds ; Identification of Spizella sparrows

Cardinals : Identification of grosbeaks ; Identification of Passinera buntings

Orioles and blackbirds : Old world and new world names ; Plumage variation in orioles ; Identification of orioles

Finches and allies : Red crossbill types.