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

Brent Stephenson / Gaggle of feral Domestic geese (Anser anser) swimming across a pond. Mixture of ages and sexes. Te Awanga Lagoon, Hawkes Bay, New Zealand, November.

Andrew Parkinson / Greylag goose (Anser anser) flock fly past in the half light before dawn, Norfolk, UK, September.

Andrew Parkinson / Greylag goose (Anser anser) flock fly past, Titchwell RSPB reserve, Norfolk, UK, September.

Andrew Parkinson / Greylag goose (Anser anser) flock swimming in a line, October, Isle of Mull, Scotland, UK, October.

Andrew Parkinson / Greylag goose (Anser anser) group perched on the banks of the River Lea, Hackney Marshes, London, UK, November.

Andrew Parkinson / Canada geese (Branta canadensis) small flock in flight over a frozen lake. Derbyshire, UK, February (non-ex)

Andrew Parkinson / Canada geese (Branta canadensis) small flock in flight over a frozen lake. Derbyshire, UK, February (non-ex)

Andrew Parkinson / Canada geese (Branta canadensis) small flock in flight over a frozen lake. Derbyshire, UK, February (non-ex)

John Downer / Imprinted Greylag geese being filmed from truck. Isle of Lewis, Scotland, Europe

Yves Lanceau / Domestic goose (Anser anser domesticus) group of intensive farmed Toulouse geese, standing together, France.

Yves Lanceau / Domestic goose (Anser anser domesticus) Alsatian goose group, standing on grass, France.