Great frigatebird chick (Fregata minor) on the nest on North Seymour Island in the Galapagos Island Archipelago, UNESCO World Heritage Site, Ecuador, South America

Adult yellow-nosed albatross (Thalassarche chlorohynchos) in flight near the Tristan da Cunha Group, South Atlantic Ocean

Juvenile Galapagos brown pelican (Pelecanus occidentalis urinator), smallest species of pelican worldwide, feeding in the Galapagos Island Archipelago, UNESCO World Heritage Site, Ecuador, South America

Juvenile Galapagos brown pelican (Pelecanus occidentalis urinator), smallest species of pelican worldwide, feeding in the Galapagos Island Archipelago, UNESCO World Heritage Site, Ecuador, South America

Juvenile Galapagos brown pelican (Pelecanus occidentalis urinator), smallest species of pelican worldwide, feeding in the Galapagos Island Archipelago, UNESCO World Heritage Site, Ecuador, South America

Blue-footed booby (Sula nebouxii) newly hatched chick in the Galapagos Island Archipelago, UNESCO World Heritage Site, Ecuador, South America

Injured juvenile yellow-footed gull (Larus livens), on Isla Coronado, Baja California Sur, Sea of Cortez, Mexico, North America

Adult and juvenile king penguins (Aptenodytes patagonicus), at breeding colony at Salisbury Plain, South Georgia, Polar Regions

Juvenile king penguins (Aptenodytes patagonicus) at breeding colony at Salisbury Plain, South Georgia, Polar Regions

Common ostrich (Struthio camelus) female with two chicks, Kgalagadi Transfrontier Park encompassing the former Kalahari Gemsbok National Park, South Africa, Africa

A juvenile Galapagos hawk (Buteo galapagoensis), Rabida Island, Galapagos, Ecuador, South America

Red-tailed hawk (Buteo jamaicensis), juvenile, Bosque del Apache National Wildlife Refuge, New Mexico, United States of America, North America

Crimson rosella (juvenile), Yarra Ranges National Park, Victoria, Australia, Pacific

Juvenile pale chanting goshawk (Melierax canorus), Kgalagadi Transfrontier Park, encompassing the former Kalahari Gemsbok National Park, South Africa, Africa

A pair of juvenile Galapagos hawks (Buteo galapagoensis), Rabida Island, Galapagos, Ecuador, South America

Juvenile brown pelican (Pelecanus occidentalis), in flight in Monterey Bay Marine Sanctuary, Monterey, California, United States of America, North America

Juvenile Yellow Crowned Night Heron, Bermuda, Atlantic, Central America

Juvenile pale chanting goshawk (Melierax canorus), Kgalagadi Transfrontier Park, encompasing the former Kalahari Gemsbok National Park, South Africa, Africa

Gentoo penguin (Pygoscelis papua) chicks covered with mud and guano on Cuverville Island, Antarctica, Southern Ocean, Polar Regions

A juvenile Galapagos penguin (Spheniscus mendiculus) with a flightless cormorant, Isabela Island, Galapagos, Ecuador, South America

Juvenile California gull (Larus californicus), in flight in Monterey Bay Marine Sanctuary, Monterey, California, United States of America, North America

Juvenile magnificent frigatebird (Fregata magnificens), in flight, Isla del Espiritu Santo, Baja California Sur, Mexico, North America

Northern black korhaan (Eupodotis afraoides), immature male, Kgalagadi Transfrontier Park encompassing the former Kalahari Gemsbok National Park, South Africa, Africa

A juvenile Galapagos hawk (Buteo galapagoensis), Rabida Island, Galapagos, Ecuador, South America

Juvenile brown pelican (Pelecanus occidentalis), sunbathing on Isla Ildefonso, Baja California, Mexico, North America

Juvenile American white ibis (Eudocimus albus), standing beside lake, Fort Lauderdale, Florida, United States of America, North America

A juvenile great frigatebird (Fregata minor) in flight on North Seymour Island, Galapagos, Ecuador, South America

An juvenile acorn woodpecker (Melanerpes formicivorous), Madera Canyon, southern Arizona, Arizona, United States of America, North America

Juvenile American robin (Turdus migratorius), Gunnison County, Colorado, United States of America, North America

Kori bustard (Ardeotis kori) adult and ckick, Ngorongoro Conservation Area, Tanzania, East Africa, Africa

Juvenile brown pelican (Pelecanus occidentalis), in flight in Monterey Bay Marine Sanctuary, Monterey, California, United States of America, North America

A juvenile great frigatebird (Fregata minor) in the nest on North Seymour Island, Galapagos, Ecuador, South America

Juvenile brown pelican (Pelecanus occidentali)s, in flight in Concepcion Bay, Baja California, Mexico, North America

Juvenile great frigatebird (Fregata minor), perched on a tree on North Seymour Island, Galapagos Islands, UNESCO World Heritage Site, Ecuador, South America

Juvenile gray-crowned rosy-finch (Leucosticte tephrocotis), Glacier National Park, Montana, United States of America, North America

Peregrine chicks (Falco peregrinus), after being ringed, Northumberland National Park, England, United Kingdom, Europe

A juvenile great frigatebird (Fregata minor) in the nest on North Seymour Island, Galapagos, Ecuador, South America

Juvenile California gull (Larus californicus), in flight in Monterey Bay Marine Sanctuary, Monterey, California, United States of America, North America

White-crowned sparrow (Zonotrichia leucophrys), juvenile, Bosque del Apache National Wildlife Refuge, New Mexico, United States of America, North America

Juvenile American robin (Turdus migratorius), Gunnison County, Colorado, United States of America, North America

Spotted Owlet bird, Athene brama, in Ranthambhore National Park, Rajasthan, Northern India

Blue-footed Booby juvenile bird on Galapagos Islands, Ecuador

Blue-footed Booby bird feeds juvenile on Galapagos Islands, Ecuador

Female Osprey and juvenile perched on bare branches of tree, Daintree River, Queensland, Australia

Baby buzzard in barn, Asthall, The Cotswolds, Oxfordshire, England, United Kingdom

Blue-footed Booby bird on the Galapagos Islands, Ecuador with a pair of young birds

One living and one dead Blue-footed Booby bird on the Galapagos Islands, Ecuador

Blue-footed Booby juvenile birds on the Galapagos Islands, Ecuador

Juvenile Tiger Heron on the prow of a boat on Lake Sandoval, Peruvian Rainforest, South America

Juvenile Blue-footed Booby bird on the Galapagos Islands

Juvenile Tiger Heron, Tortuguero National Park, Costa Rica, Central America

Wandering albatross (diomedea exulans) prion island, south georgia, adult feeding chick

Bateleur eagles. Terathopius ecaudatus. Adult and juvenile perched on branch, botswana

Gentoo penguin. Pygoscelis papua. Royal bay, south georgia, antarctica

Mute swan (cygnus olor) swimming with cygnets, oxfordshire, uk

A Common Starling, Sturnus vulgaris in Seahouses, Northumberland, UK, moulting from Juvenile to adult plumage.

A juvenile Arctic Skua (Stercorarius parasiticus) on the coast in Northumberland, UK

On Friday 11th July 2014, the Young Ospreys that nest on Bassenthwaite in the Lake District National Park, Cumbria, UK, are ringed and fitted with a satelite tracker. they are ringed by Pete Davis, a licensed bird ringer, and the satelite tracker is fitred by Roy Dennis. Roy is theonly person in the UK, licensed to fit satelite trackers to birds of prey. The tracing is part of the Bassenthwaite Osprey project, to see whereabouts in Africa the young migrate to, before returning hopefully to the UK to nest.Ospreys recolonized the Lake district in 2001, after an absence ovf over 150 years. In the last fourteen years of breeding over half a million people have visited the project to view these spectacular fish eating birds.

On Friday 11th July 2014, the Young Ospreys that nest on Bassenthwaite in the Lake District National Park, Cumbria, UK, are ringed and fitted with a satelite tracker. they are ringed by Pete Davis, a licensed bird ringer, and the satelite tracker is fitred by Roy Dennis. Roy is theonly person in the UK, licensed to fit satelite trackers to birds of prey. The tracing is part of the Bassenthwaite Osprey project, to see whereabouts in Africa the young migrate to, before returning hopefully to the UK to nest.Ospreys recolonized the Lake district in 2001, after an absence ovf over 150 years. In the last fourteen years of breeding over half a million people have visited the project to view these spectacular fish eating birds.

On Friday 11th July 2014, the Young Ospreys that nest on Bassenthwaite in the Lake District National Park, Cumbria, UK, are ringed and fitted with a satelite tracker. they are ringed by Pete Davis, a licensed bird ringer, and the satelite tracker is fitred by Roy Dennis. Roy is theonly person in the UK, licensed to fit satelite trackers to birds of prey. The tracing is part of the Bassenthwaite Osprey project, to see whereabouts in Africa the young migrate to, before returning hopefully to the UK to nest.Ospreys recolonized the Lake district in 2001, after an absence ovf over 150 years. In the last fourteen years of breeding over half a million people have visited the project to view these spectacular fish eating birds.

On Friday 11th July 2014, the Young Ospreys that nest on Bassenthwaite in the Lake District National Park, Cumbria, UK, are ringed and fitted with a satelite tracker. they are ringed by Pete Davis, a licensed bird ringer, and the satelite tracker is fitred by Roy Dennis. Roy is theonly person in the UK, licensed to fit satelite trackers to birds of prey. The tracing is part of the Bassenthwaite Osprey project, to see whereabouts in Africa the young migrate to, before returning hopefully to the UK to nest.Ospreys recolonized the Lake district in 2001, after an absence ovf over 150 years. In the last fourteen years of breeding over half a million people have visited the project to view these spectacular fish eating birds.

Wandering albatross (diomedea exulans) prion island, south georgia, chick sat on nest, close-up

Black-shouldered kite (elanus caeruleus) juvenile showing yellow eye, portrait, captive, south africa

Gentoo penguin. Pygoscelis papua. Chick. Wiencke island. Antarctica

Wandering albatross (diomedea exulans) prion island, south georgia, chick sat on nest

Wandering albatross (diomedea exulans) prion island, south georgia, chick exercising wings

Southern crested caracara (caracara plancus) head of juvenile, pantanal, brazil.

Gentoo penguins. Pygoscelis papua. Juvenile gentoos hanging around a pool. Antarctica

Ruddy turnstone (Arenaria interpres) juvenile, Svalbard, Norway, Scandinavia, Europe

marabou stork leptoptilos crumeniferus juvenile kent, england

Booby, juvenile, Bird Island, Mili, Marshall Islands, Pacific

A pair of young Brown Bear (Ursus arctos) fishing for pink and dog salmon on Chichagof Island in Southeast Alaska, USA

Gentoo penguin (Pygoscelis papua) parent with two downy chicks on Pleneau Island, near the Antarctic Peninsula.

Adult Magellan goose or upland goose (Chloephaga picta) with goslings on Carcass Island in the Falkland Islands, South Atlantic Ocean

A parent and chick Adelie penguin (Pygoscelis adeliae) on Paulet Island on the Northeast side of the Antarctic Peninsula.

Adelie penguin (Pygoscelis adeliae) chicks creching on Devil Island on the Northeast side of the Antarctic Peninsula.

Adelie penguin chick (Pygoscelis adeliae) fledging its downy feathers for the adult feathers underneath on Devil Island, Antarctica.

Gentoo penguin (Pygoscelis papua) chicks covered with mud and guano on Cuverville Island, Antarctica, Southern Ocean

Magellanic penguins (Spheniscus magellanicus) at a breeding and molting site in Estancia San Lorenzo on Peninsula Valdez, Patagonia, Argentina, South Atlantic

Adelie penguin (Pygoscelis adeliae) tobogganing near the Antarctic Peninsula, Antarctica.

Sub-adult Humpback Whale, Megaptera novaeangliae, breaching in northern Gulf of California, Mexico

Razorbill egg (Alca torda). L'Etac, Sark, British Channel Islands

Juvenile magnificent frigatebird (Fregata magnificens) on the wing near breeding colony on Isla Magdalena, Bahia de Magdalena, Baja California Sur, Mexico.

Adelie penguin (Pygoscelis adeliae) near the Antarctic Peninsula, Antarctica.

Great frigatebird (Fregata minor) chick in the nest in the Galapagos Island Archipelago, Ecuador

Juvenile great frigate bird (Fregata minor) nesting and breeding site on North Seymour Island in the Galapagos Island Group, Ecuador. Pacific Ocean.

Adult female leopard seal (Hydrurga leptonyx) killing and eating a juvenile Ad?lie penguin at Brown Bluff near the Antarctic Peninsula, Southern Ocean

Juvenile great frigate birds (Fregata minor) vie for food on nesting and breeding site on North Seymour Island in the Galapagos Island Group, Ecuador. Pacific Ocean

Brown Skua (Catharacta antarctica) chick on South Georgia Island in the Southern Ocean

The Kelp Goose (Chloephaga hybrida), is a member of the duck, goose and swan family Anatidae

A leucistic Adelie penguin (Pygoscelis adeliae) adult feeding its "normal" colored chicks on Devil Island near the Antarctic Peninsula

Blue-footed booby (Sula nebouxii) newly hatched chick in the Galapagos Island Archipelago, Ecuador

Curious king penguin (Aptenodytes patagonicus) breeding and nesting colony at St. Andrews Bay on South Georgia, Southern Ocean.

Southern elephant seal (Mirounga leonina) pup (often called "weaners" once their mothers stop nursing them) on South Georgia Island in the Southern Ocean

Adult Antarctic Shag, (Phalacrocorax (atriceps) bransfieldensis) from breeding colony on the Antarctic Peninsula

King penguin (Aptenodytes patagonicus) adult and chick at breeding and nesting colony at Salisbury Plains in the Bay of Isles, South Georgia, Southern Ocean.

A young Brown Bear (Ursus arctos) fishing for pink and dog salmon on Chichagof Island in Southeast Alaska, USA

Wandering albatross (Diomedea exulans) chick at breeding colony on Prion Island, Bay of Isles, South Georgia, Southern Ocean

King penguin (Aptenodytes patagonicus) breeding and nesting colony on South Georgia Island, Southern Ocean.

Gentoo penguin (Pygoscelis papua) parent feeding chicks on Petermann Island near the Antarctic Peninsula.