Great-grey owl (Strix nebulosa) in flight, Finland

Great-grey owl (Strix nebulosa) in flight, Finland

Adult great skua (Stercorarius skua) with recent kill in the Svalbard Archipelago, Norway, Arctic, Europe

Adult great blue heron (Ardea herodias cognata) feeding on green sea turtle hatchlings, Galapagos Islands, UNESCO World Heritage Site, Ecuador, South America

Adult great blue heron (Ardea herodias cognata) feeding on green sea turtle hatchlings, Galapagos Islands, UNESCO World Heritage Site, Ecuador, South America

Adult great blue heron (Ardea herodias cognata) hunting for green sea turtle hatchlings in the Galapagos Islands, UNESCO World Heritage Site, Ecuador, South America

Male Great frigatebird (Fregata minor) in breeding plumage with red gular pouch, on North Seymour Island, Galapagos Islands, UNESCO World Heritage Site, Ecaudor, South America

Adult red-footed booby (Sula sula) being attacked in flight by a great frigatebird (Fregata minor) in the Galapagos, UNESCO World Heritage Site, Ecuador, South America

A pair of lappet-faced vultures (Torgos tracheliotos), in the great migration, Serengeti National Park, Tanzania, East Africa, Africa

Adult brown bear (Ursus arctos) foraging for salmon at the Brooks River, Katmai National Park, Alaska, United States of America

Adult great skua (Stercorarius skua) being harassed by Arctic terns (Sterna paradisaea) guarding their nest sites, Svalbard, Norway

Couple of Great black-backed gulls in the cliffs of Etretat, Seine Maritime department, Normandy region, France, Europe

Male Great frigatebird (Fregata minor) in breeding plumage with red gular pouch, on Genovesa (Tower) Island, Galapagos Islands, UNESCO World Heritage Site, Ecuador, South America

Male great frigatebird (Fregata minor) in breeding plumage in the Galapagos Island Archipelago, UNESCO World Heritage Site, Ecuador, South America

Great kiskadee (Pitangus sulphuratus) a large colorful tyrant flycatcher, common in the Pacific North, Esperanza, Nosara, Guanacaste, Costa Rica

A confusion of blue wildebeest (brindled gnu) (Connochaetes taurinus), on the Great Migration, Serengeti National Park, Tanzania, East Africa, Africa

Adult cheetah (Acinonyx jubatus), stalking the Great Migration in Serengeti National Park, Tanzania, East Africa, Africa

A confusion of blue wildebeest (Connochaetes taurinus), on the Great Migration, Serengeti National Park, Tanzania, East Africa, Africa

A confusion of blue wildebeest (Connochaetes taurinus), on the Great Migration, Serengeti National Park, Tanzania, East Africa, Africa

Great Migration, Blue Wildebeest (Connochaetes taurinus), gnus crossing the Mara River, Masai Mara, Kenya, Africa

Great Migration, Blue Wildebeest (Connochaetes taurinus), gnus crossing the Mara River, Masai Mara, Kenya, Africa

Scenic view of a large herd of blue wildebeest (Connochaetes taurinus) crossing Mara in two lines, Serengeti National Park, Tanzania, Africa

Crocodiles

Great migration of Blue Wildebeest (Connochaetes taurinus) in the Serengeti, Tanzania.

Great migration of Blue Wildebeest (Connochaetes taurinus) in the Serengeti, Tanzania.

Great migration of Blue Wildebeest (Connochaetes taurinus) in the Serengeti, Tanzania.

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.