Birds

Eurasian sparrowhawk (Accipiter nisus) at a bird feeding ground

Egyptian geese (Alopochen aegyptiacus) with young birds, Zuid-Kennemerland National Park, Netherlands

Northern mallards (Anas platyrhynchos) sleeping on the lakefront

Northern mallard (Anas platyrhynchos)

Northern mallard (Anas platyrhynchos) with blue-green algae

Greylag geese (Anser anser) at Hohensaaten-Friedrichsthaler Wasserstraße near Criewen, Lower Oder Valley National Park, Germany

Greylag goose (Anser anser) on a dike, Gülper See Nature Reserve, Germany

Greylag geese (Anser anser), Gülper See Nature Reserve, Germany

Greylag geese (Anser anser), Saxony-Anhalt, Germany

Greylag geese (Anser anser), Saxony-Anhalt, Germany

Greylag geese (Anser anser), Saxony-Anhalt, Germany

Grey heron (Ardea cinerea)

Grey heron (Ardea cinerea)

Grey heron (Ardea cinerea)

Grey heron (Ardea cinerea)

Grey heron (Ardea cinerea)

Grey heron (Ardea cinerea)

Bird's nest fern (Asplenium nidus)

Tufted ducks (Aythya fuligula), Gülper See Nature Reserve, Germany

White stork (Ciconia ciconia) with three young birds

White stork (Ciconia ciconia) with three young birds

White stork (Ciconia ciconia) in its nest

White stork (Ciconia ciconia) in its nest

White stork (Ciconia ciconia) is standing in his nest in front of blue sky and is looking out

White stork (Ciconia ciconia) stands in his nest in front of blue sky and sorts branches

White stork (Ciconia ciconia) is standing in his nest in front of blue sky and is looking out

Western jackdaw (Corvus monedula)

Western jackdaw (Corvus monedula)

Black swan (Cygnus atratus)

Black swan (Cygnus atratus)

Black swan (Cygnus atratus)

Black swans (Cygnus atratus) at a tropical lake

Whooper swans (Cygnus cygnus) on a field, Brandenburg, Germany

Whooper swans (Cygnus cygnus) on a field, Brandenburg, Germany

Whooper swans (Cygnus cygnus) on a field, Brandenburg, Germany

Whooper swans (Cygnus cygnus) on a field, Brandenburg, Germany

Whooper swans (Cygnus cygnus) on a field, Brandenburg, Germany

Whooper swans (Cygnus cygnus) on a field, Brandenburg, Germany

Whooper swans (Cygnus cygnus), Lower Oder Valley National Park, Germany

Whooper swans (Cygnus cygnus), Lower Oder Valley National Park, Germany