Jack Dykinga / Sandhill cranes (Antigone canadensis) and Snow geese (Chen caerulescens) at sunrise, Bosque del Apache National Wildlife Refuge, New Mexico, USA, November.

Jack Dykinga / Bald eagle (Haliaeetus leucocephalus) perched as Snow geese (Chen caerulescens) fly by, Bosque del Apache National Wildlife Refuge, New Mexico, USA, January.

Jack Dykinga / Snow goose (Chen caerulescens) landing into a tight packed flock on lake, Bosque del Apache National Wildlife Refuge, New Mexico, USA. January.

Jack Dykinga / Snow goose (Chen caerulescens) landing into flock, Bosque del Apache National Wildlife Refuge, New Mexico, USA, January.

Ernie Janes / Brent geese (Branta bernicla) flying with moon, Titchwell, Norfolk, UK, December

Marie Read / Canada geese (Branta canadensis) two during territorial fight in early spring, Ithaca. New York, USA

Markus Varesvuo / White-fronted goose (Anser albifrons) and Taiga bean goose (Anser fabalis rossicus) flocks in flight and on water. Latvia. April.

Ingo Arndt / Upland Goose (Chloephaga picta) male stretching, Torres del Paine National Park, Patagonia, Chile

David Tipling / Pink-footed geese (Anser brachyrhynchus) flying against strong northerly wind off Salthouse North Norfolk, wind turbines in sea in background, England, UK. November

David Allemand / Two Snow geese (Anser caerulescens) during migration, with dark clouds against the sun, Quebec, Canada, October.

Steve Downer / Close up of a Canada goose gosling (Branta canadensis) sleeping, with other goslings in the background, Birmingham, England, UK, June.

SCOTLAND: The Big Picture / Panning shot of a large flock of Pink-footed geese (Anser brachyrhynchus) taking off from their roosting site, Montrose, Angus, Scotland, UK, November.

John & Mary-Lou Aitchison / Flock of Barnacle geese (Branta leucopsis) flying over the sea, Islay, Inner Hebrides, Scotland, UK, November.

Ingo Arndt / Large flock of Snow Geese (Chen caerulescens) flying, Bosque del Apache National Wildlife Refuge, New Mexico, USA

Willi Rolfes/ BIA / Greylag Goose (Anser anser) chick, Lower Saxony, Germany

Willi Rolfes/ BIA / Greylag Goose (Anser anser) chick, Lower Saxony, Germany

Hans Glader/ BIA / White-fronted Goose (Anser albifrons) group flying, North Rhine-Westphalia, Germany

Ann & Steve Toon / Egyptian goose (Alopochen aegyptiaca) with goslings, Zimanga private game reserve, KwaZulu-Natal, South Africa, September

Jack Dykinga / Snow geese (Chen caerulescens) large flock with some landing, Bosque del Apache, New Mexico, USA, December.

Jack Dykinga / Snow geese (Chen caerulescens) in flight in front of super moon, Bosque del Apache National Wildlife Refuge, New Mexico, USA, December.

Jack Dykinga / Sandhill cranes (Grus canadensis) and Snow geese (Chen caerulescens) Bosque del Apache National Wildlife Refuge, New Mexico, USA, December.

Tim Fitzharris / Snow Goose (Chen caerulescens) flock in pond at sunrise, Bosque del Apache National Wildlife Refuge, New Mexico

Pal Hermansen / Barnacle geese (Branta leucopsis) with goslings, swimming past icebergs, Jokulsarlon, Iceland, June.

Pal Hermansen / Barnacle geese (Branta leucopsis) with goslings, Jokulsarlon ice field, Iceland, June.

Wim van den Heever / Egytian Goose (Alopochen aegyptiaca) rear view bathing, sings spread, Zimanga Private Game Reserves, South Africa

Bence Mate / Graylag gosling (Anser anser) resting under parent's wing, Pusztaszer, Kiskunsagi National Park, Pusztaszer, Hungary.

Bence Mate / Graylag gosling (Anser anser) resting under parent's wing, Kiskunsagi National Park, Pusztaszer, Hungary.

Bence Mate / Graylag gosling (Anser anser) with parent, Lake Csaj, Kiskunsagi National Park, Pusztaszer, Hungary. April.

Matthias Breiter / Snow Goose (Chen caerulescens) flock flying over coastal flats, Hudson Bay, Manitoba, Canada

Matthias Breiter / Snow Goose (Chen caerulescens) flock at coastal flats, Hudson Bay, Manitoba, Canada

Donald M. Jones / Snow Goose (Chen caerulescens) group flying, central Montana

Donald M. Jones / Snow Goose (Chen caerulescens) landing in field, central Montana

Gerrit Vyn / Greater snow geese (Chen caerulescens) taking flight at sunset during migration. Montezuma National Wildlife Rescue, New York, USA. March.

Gerrit Vyn / Nene / Hawaiian goose (Branta sandvicensis) Hawaii. April. Vulnerable species.

Roger Powell / Small flock of Brent Geese (Branta bernicla) in flight..Texel Island, The Netherlands, Europe

Pal Hermansen / Barnacle geese (Branta leucopsis) with goslings, Jokulsarlon ice field, Iceland, June.

Donald M. Jones / Snow Goose (Chen caerulescens) group flying, central New Mexico

Donald M. Jones / Snow Goose (Chen caerulescens) flock flying at sunrise, central New Mexico

Marie Read / Canada goose (Branta canadensis) adult swimming leading five goslings, Ithaca, New York, USA.

David Tipling / 2020VISION / Barnacle geese (Branta leucopsis) taking-off from grazing field, Solway Firth, Dumfries and Galloway, Scotland, UK, December

David Pattyn / Egyptian goose (Alopochen aegyptiacus) portrait. The Netherlands. June 2014

David Pattyn / Canada goose (Branta canadensis) group of adults with young chicks. The Netherlands. June 2014

David Pattyn / Canada goose swimming portrait (Branta canadensis) The Netherlands. March 2013.

Jack Dykinga / Snow geese (Anser caerulescens) flying toward their gathering pond, with moon in the background, Boque del Apache National Wildlife Refuge, New Mexico. December.

Markus Varesvuo / Barnacle goose (Branta leucopsis) in flight, Helsinki Finland

Markus Varesvuo / Bean Goose (Anser fabalis), adult preening in a shallow lagoon. Kuusamo, Finland. May.

Markus Varesvuo / Four Barnacle Geese flying (Branta leucopsis) Finland

Markus Varesvuo / Flock of Barnacle Geese flying over water (Branta leucopsis) Finland

Sergey Gorshkov / Snow geese (Chen caerulescens caerulescens) taking off, Wrangel Island, Far Eastern Russia, June.

Sergey Gorshkov / Snow goose (Chen caerulescens caerulescens) brooding chicks, with rusty orange face from iron rich soil in which it forages. Wrangel Island, Far Eastern Russia, June.

Sergey Gorshkov / Arctic fox (Vulpes lagopus) with Snow goose egg in mouth, mid moult from winter to summer fur, Wrangel Island, Far Eastern Russia.

Sergey Gorshkov / Arctic fox (Vulpes lagopus) with Snow goose egg in mouth, mid moult from winter to summer fur, Wrangel Island, Far Eastern Russia, June.

Sergey Gorshkov / Arctic fox (Vulpes lagopus) with Snow goose egg in mouth, mid moult from winter to summer fur, Wrangel Island, Far Eastern Russia, June.

Bence Mate / Graylag gosling (Anser anser) resting under parent's wing, Pusztaszer, Hungary.

Yva Momatiuk & John Eastcott / Snow Goose (Chen caerulescens) flock taking flight from pond, Bosque del Apache National Wildlife Refuge, New Mexico

Jack Dykinga / Sandhill crane (Grus canadensis) landing in icy pond filled with snow geese (Chen caerulescens) Bosque del Apache, New Mexico. January 2013

Laurent Geslin / Canada goose (Branta canadensis) grazing at Walthamstow reservoir, London, UK

Laurent Geslin / Two Canada geese (Branta canadensis) amongst grass and flowers. Walthamstow reservoir, London, UK

Laurent Geslin / Canada goose (Branta canadensis) with two chicks / goslings in tall grasses, Walthamstow reservoir, London, UK

Sergey Gorshkov / Snow Goose (Chen caerulescens) group taking flight and calling, Wrangel Island, Russia

Sergey Gorshkov / Snow Goose (Chen caerulescens) pair flying over flock on ground near snowy mountain range, Wrangel Island, Russia

Sergey Gorshkov / Snow Goose (Chen caerulescens) pair courting, Wrangel Island, Russia. Sequence 3 of 4

Sergey Gorshkov / Arctic Fox (Alopex lagopus) chasing Snow Goose (Chen caerulesens) off its nest, Wrangel Island, Russia

Donald M. Jones / Canada Goose (Branta canadensis) flying, central Montana

Donald M. Jones / Canada Goose (Branta canadensis) group flying, central Montana

Donald M. Jones / Canada Goose (Branta canadensis) flying, central Montana

Donald M. Jones / Canada Goose (Branta canadensis) flock flying, central Montana

Cyril Ruoso / Greylag Goose (Anser anser) gosling, Austria

Sven Zacek,Sven Zacek / Two bull Moose (Alces alces) sizing each other up during the annual rut, after sunset with migrating geese in flight. Western Estonia, September.

Konrad Wothe / Barnacle Goose (Branta leucopsis) carrying goslings, Bavaria, Germany

Danny Green / Snow Geese (Chen caerulescens) in flight, silhouetted against colourful dusk sky. Bosque del Apache, New Mexico, USA, November.

Danny Green / Snow Goose (Chen caerulescens), coming in to land. Bosque del Apache, New Mexico, USA, November.

Colin Varndell / Cleavers / Goose grass (Galium aparine) in flower, Dorset, England, UK, June

Philippe Clement / Canada goose (Branta canadensis) swimming with goslings in lake, Belgium, May

Matthew Maran / Canada goose (Branta canadensis) gosling portrait, Hornsey, London, UK May

Ernie Janes / Ebdem Geese Goslings at four days

Terry Whittaker / 2020VISION / Canada geese (Branta canadensis) grazing in snow, Reddish Vale, Manchester, England, UK, March. Did you know? Canada geese can fly up to 1500 miles in just 24 hours if the wind is favourable.

Terry Whittaker / 2020VISION / Dark-bellied brent geese (Branta bernicla) taking flight from grazing field, Wallasea Island, Essex, England, UK, February.

Terry Whittaker / 2020VISION / Flock of Dark-bellied brent geese (Branta bernicla) flying over sea wall, South Swale, Kent, England, UK

Danny Green / 2020VISION / Barnacle Geese (Branta leucopsis) in flight at sunset, Caerlaverock WWT, Scotland, Solway, UK, January.

Danny Green / 2020VISION / Greylag Goose (Anser anser) in flight, Caerlaverock WWT, Scotland, Solway, UK, January.

Danny Green / 2020VISION / Greylag Goose (Anser anser) in flight, Caerlaverock WWT, Scotland, Solway, UK, January.

David Tipling / 2020VISION / Pink-footed Geese (Anser brachyrhynchus) in flight at dusk. The Wash. Norfolk, January.

Fergus Gill / 2020VISION / Greylag Goose (Anser anser) calling at dawn with steaming breath. Scotland, December.

Markus Varesvuo / Barnacle goose (Branta leucopsis) flock in field, Helsinki, Finland, October

Ernie Janes / Greylag geese (Anser anser) in flight with paraglider behind, Cley bank, Norfolk, UK

David Tipling / 2020VISION / Flock of Pink-footed Geese (Anser brachyrhynchus) landing on grazing marshes, Holkham NNR, Norfolk, England, UK, January

Chris Gomersall / 2020VISION / Flock of Pink-footed geese (Anser brachyrhynchus) feeding on sugar beet tops in a field, Norfolk, England, UK, December

Chris Gomersall / 2020VISION / A flock of Pink-footed geese (Anser brachyrhynchus) taking flight from a sugar beet field in Norfolk, England, UK, November

Roy Mangersnes / Two Barnacle geese (Branta leucopsis) in flight, Spitsebergen, Svalbard, Norway, August

David Tipling / 2020VISION / Flock of Barnacle geese (Branta leucopsis) feeding on grazing marshes, Caerlaverock WWT, Dumfries and Galloway, Scotland, UK, December

David Tipling / 2020VISION / Large flock of Barnacle geese (Branta leucopsis) taking off from grazing marshes, Caerlaverock WWT, Dumfries and Galloway, Scotland, UK, December

David Tipling / 2020VISION / Barnacle geese (Branta leucopsis) feeding on grazing marshes, with one bird wing stretching, Caerlaverock WWT, Dumfries and Galloway, Scotland, UK, December

David Tipling / 2020VISION / Small flock of Greylag geese (Anser anser) flying over snow covered fields, Ken-Dee Marshes RSPB reserve, Dumfries and Galloway, Scotland, UK, December

Nick Turner / Goose eggs in boxes on a blue checked tablecloth, Cirencester Farmers Market, Cirencester, Gloucestershire, UK, July 2011.

Konrad Wothe / Flock of Snow Geese (Chen caerulescens atlanticus / Chen caerulescens) in flight to their winter roosting site, crossing a full moon, Bosque del Apache, New Mexico, USA, November