Common Raven (Corvus corax), Yellowstone National Park, Wyoming, United States of America, North America

Great Kiskadee, (Pitangus Sulphuratus), a passerine bird common in Central and South America, Bermuda, Atlantic, North America

Great Kiskadee, (Pitangus Sulphuratus), a passerine bird common in Central and South America, Bermuda, Atlantic, North America

Great Kiskadee, (Pitangus Sulphuratus), a passerine bird common in Central and South America, Bermuda, Atlantic, North America

Common Yellowthroat (Geothlypis trichas)

Common Grackle

Common starling (Sturnus vulgaris) feeding young bird at breeding cavity, North Rhine-Westphalia, Germany, Europe

Starling (Sturnus vulgaris), also known as Common starling, with food for the young birds, insects, with blackberry moth (Macrothylacia rubi) as food for the young, moth, foraging, brood, brood cavity, tree cavity, nesting site, Middle Elbe River Landscape, Middle Elbe Biosphere Reserve, Saxony-Anhalt, Germany, Europe

Starling (Sturnus vulgaris), also known as the Common starling, with food for the young birds, insects, grasshoppers and grasshoppers as food for the young, foraging, breeding, breeding cavity, tree cavity, nesting site, Middle Elbe River Landscape, Middle Elbe Biosphere Reserve, Saxony-Anhalt, Germany, Europe

Griffon Vulture (Gyps fulvus) and Common Raven (Corvus corax) on the luder, Common Raven teases a Griffon Vulture, Castilla-La Mancha, Spain, Europe

Griffon Vulture (Gyps fulvus) and Common Raven (Corvus corax) on the luder, Common Raven teases a Griffon Vulture, Castilla-La Mancha, Spain, Europe

Common starling (Sturnus vulgaris) feeding young bird at breeding cavity, North Rhine-Westphalia, Germany, Europe

Common starling (Sturnus vulgaris) flies to breeding cavity, North Rhine-Westphalia, Germany, Europe

Common starling (Sturnus vulgaris), adult bird approaching breeding cavity with food in its beak, Hesse, Germany, Europe

Common starling (Sturnus vulgaris), old bird feeding young bird at the breeding cavity, Hesse, Germany, Europe

Common chaffinch (Fringilla coelebs) in the snow, Central Elbe Biosphere Reserve, Germany, Europe

Common chaffinch (Fringilla coelebs) male sitting on root, Solms, Hesse, Germany, Europe

Common firecrest (Regulus ignicapillus) sits in a fir tree, Germany, Europe

Common whitethroat (Sylvia communis) on blackberry branch, Hesse, Germany, Europe

Common warthog (Phacochoerus africanus) grooming with oxpecker on head in Kruger National park, South Africa

Common Chaffinch;Fringilla coelebs), side view of an adult male in winter plumage standing on the snow, Campania, Italy

Common Nightingale (Luscinia megarhynchos) drinking, Spain

Common Starling (Sturnus vulgaris) group in flight at dusk, Delta Ebro Natural Park, Spain

Common Diuca Finch (Diuca diuca), Cobquecura, VIII région du Biobío, Chili

Common starling (Sturnus vulgaris) group flying in winter under snow, Yebes, Valdenazar, Spain

Common Starling (Sturnus vulgaris) feeding on persimmons in a persimmon tree, Vaucluse, France

Common Hippo (Hippopotamus amphibius), injured during a fight with an another male, Luangwa river, South Luangwa natioinal Park, Zambia

White-tailed Eagle (Haliaeetus albicilla) facing a Common Raven (Corvus corax) in the grass, Poland

Common Raven (Corvus corax) on a branch in the rain, Poland

Eurasian chaffinch, common chaffinch, or chaffinch (Fringilla coelebs), on a branch, Riano, Province of Leon, Community of Castile and Leon, Spain

Common Impala (Aepyceros melampus) with oxpecker silhouette sunrise light in Kruger National park, South Africa

Common Impala (Aepyceros melampus) male portrait with grooming oxpecker in Kruger National park, South Africa

Common linnet (Linaria cannabina), male at waterhole

Common Redpoll (Acanthis flammea) on rock, GreenlandIt is one of the four sparrows that makes the great migration and thus crosses the Greenland Sea to nest in the recessed places of Greenland.