article: Bird
links: Magpie Monogamy European robin Adaptation Fertilization 10th edition of Systema Naturae Giardia lamblia Mesozoic Beak Anchiornis Camouflage Cat Lark Great hornbill Duck Blue Mountains (New South Wales) Wren Charadriiformes Otidiformes Wandering albatross Austria Kingfisher Coliiformes Chicken Rat Arctic tern Sparrow Douglas Spalding Bird of prey Egg (food) Black swan Strigiformes Galliformes Psittaciformes Blackbird Anna's hummingbird Gruiformes Guano Bird migration Opisthocomiformes Penguin Southern cassowary Albatross Dog Galloanserae Rhea (bird) Wing Crane (bird) Paraves Jurassic Cariamiformes English language Australia Holocene Gentoo penguin Crocodilia Neognathae Pteroclidiformes Confuciusornis New Zealand Phoenicopteriformes Archosaurs American flamingo Suliformes Campylobacter Communication Charles Darwin Emu Eurypygiformes Corvid Muscle Asteriornis Lower Cretaceous Anseriformes Turdidae Digestive system Goose Pelican Carl Linnaeus Philippine eagle Middle Jurassic Tool Parrots Swallow Neornithes Coraciiformes Falcon Turkey (bird) Cenozoic Migration Palaeognathae Thermoregulation Flamingo Casuariiformes Cuculiformes Domestication Heart Order (biology) Pinniped Eurasian eagle-owl Rock dove Seagull Budgerigar Papua New Guinea Cretaceous–Palaeogene extinction event Passeriformes Hummingbird Apodiformes Musophagiformes Peafowl Origin of birds Podicipediformes Avialae Accipitriformes Incubation Pet Polyandry Archaeopteryx Trogoniformes Leptosomiformes DNA Cretaceous Archosaur Palaeontology Parrot Palaeontologists Maniraptora Eagle Songbird Caprimulgiformes Bucerotiformes Phaethontiformes Falconiformes Konrad Lorenz Columbiformes World War II Piciformes Extinction Procellariiformes Indian peafowl Canary Neoaves Avemetatarsalia Upper Jurassic Mesitornithiformes Ciconiiformes Upper Cretaceous China Tooth Cathartiformes Kiwi Sphenisciformes Pelecaniformes Anchiornis huxlei Tinamiformes