Ingo Arndt / Tisza mayflies (Palingania longicauda) swarming, River Tisza, Hungary, June

Ingo Arndt / Tisza mayfly (Palingania longicauda) hanging on branch and moulting, River Tisza, Hungary, June

Ingo Arndt / Mayflies (Palingenia longicauda) swarming, Tisza river, Hungary, June

Markus Varesvuo / Black stork (Ciconia nigra) catching a fish, Hungary May

Markus Varesvuo / Black stork (Ciconia nigra) Hungary May

Markus Varesvuo / Cormorant (Phalacrocorax carbo) swallowing perch prey, Hungary, January

Bence Mate / Great egrets (Ardea alba) fighting with necks intertwined, Lake Csaj, Kiskunsagi National Park, Hungary. January.

Bence Mate / Juvenile White tailed sea eagles (Haliaeetus albicilla) fighting for fish in mid air, Lake Csaj, Kiskunsagi National Park, Hungary. February.

Bence Mate / Group of Little egrets (Egretta garzetta) displaying its ornamental feathers, Lake Csaj, Kiskunsagi National Park, Hungary. February.

Bence Mate / White tailed sea eagle (Haliaeetus albicilla) interacting with Great egret (Ardea alba) Lake Csaj, Kiskunsagi National Park, Hungary. January.

Bence Mate / Hooded crow (Corvus cornix) mobbing Buzzard (Buteo buteo) Lake Csaj, Kiskunsagi National Park, Pusztaszer, Hungary. January.

Bence Mate / Great egret (Ardea alba) group of five at water's edge, with very out of focus egret in foreground. Lake Csaj, Kiskunsagi National Park, Pusztaszer, Hungary, February.