Nick Upton / Greylag goose (Anser anser) landing with its wings and head raised to chase off another from its territory in a marshland pool, Gloucestershire, UK, January.

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.

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

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.

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.

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.

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

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.

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.

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

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

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.

Ernie Janes / Ebdem Geese Goslings at four days

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

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

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

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

Mark Hamblin / 2020VISION / Greylag goose (Anser anser) adult on water, Scotland, UK, May 2010

Mark Hamblin / 2020VISION / Greylag goose (Anser anser) pair on edge of loch, near nesting site, Scotland, UK, May 2010

Terry Whittaker / 2020VISION / Greylag geese (Anser anser) flying past electricity pylons into Rainham Marsh RSPB Reserve, Thames Futurescapes Project, Essex, UK, January 2011

David Tipling / 2020VISION / Large flock of Pink-footed geese (Anser brachyrynchus) flying from overnight roost at dawn, The Wash, Snettisham, Norfolk, UK, January

David Tipling / 2020VISION / Large flock of Pink-footed geese (Anser brachyrynchus) flying from overnight roost at dawn, The Wash, Snettisham, Norfolk, UK, January 2011

David Tipling / 2020VISION / Pink-footed geese (Anser brachyrynchus) flocks in flight leaving overnight roost at dawn, the Wash, Snettisham, Norfolk, UK, January. 2020VISION Exhibition. 2020VISION Book Plate.

David Tipling / 2020VISION / Pink-footed geese (Anser brachyrynchus) flocks in flight leaving overnight roost at dawn, the Wash, Snettisham, Norfolk, UK, January

David Tipling / 2020VISION / Pink-footed geese (Anser brachyrynchus) in flight, Norfolk, UK, January

Sven Zacek / Geese on their spring migration above dawn lit clouds. Estonia, Europe, May.

Andrew Parkinson / Pink footed geese (Anser brachyrhynchus) huge flock take flight in dawn light, Norfolk, UK, January.

Ernie Janes / Greylag Goose (Anser anser) landing on water. Norfolk, UK, Europe, April.

Ernie Janes / Greylag Goose (Anser anser) landing on water. Norfolk, UK, Europe, April.

Ernie Janes / Flock of Pink footed geese (Anser brachyrhynchus) in flight passing moon, Holkham, Norfok, UK, Composite image

Edwin Giesbers / White-fronted Goose (Anser albifrons) in flight over grassland. The Netherlands.

Fergus Gill / Greylag goose (Anser anser) calling at dawn with its breath showing as a cloud of steam. Serrated tomia (the equivalent of teeth) are visible in its beak. Scotland, Dec .

Andrew Parkinson / Pair of Greylag geese (Anser anser) and chicks spotlit by dawn sunlight near a small weir. Nottinghamshire, UK, May (non-ex)

Paul Hobson / Flock of Pink Footed geese (Anser brachyrhynchus) flying low over Liverpool bay, with gas rig behind. England, UK. November.