Terry Whittaker / Grey Heron ( Ardea cinerea) flying in city, Amsterdam, Netherlands. April.

Marie Read / Loggerhead shrike (Lanius ludovicianus) on an ice-covered fence after an ice storm, Anahuac National Wildlife Refuge, Texas, USA. January.

Marie Read / Great blue heron (Ardea herodias) in breeding plumage, head and shoulders showing plumes on crown and neck, Montezuma National Wildlife Refuge, New York, USA, May.

Derek Galon / Damaged forest overgrown by various vines, a typical scene in western part of Dominica, West Indies. After hurricane Maria an unprecedented number of vines took advantage of suddenly open spaces in th...

David Pattyn / Great white egret (Egretta Alba) preening its feathers, Valkenhorst Nature Reserve, Valkenswaard, The Netherlands, July

John Chan / Great blue heron (Ardea herodias) predating a Smelt (Osmeridae), Southern California, USA, October.

John Chan / Juvenile Great blue heron (Ardea herodias) predating a twig , learning stalking and hunting skills, Southern California, USA, July.

John Chan / Great blue heron (Ardea herodias) chick begging to be fed, Southern California, USA, April.

Hermann Brehm / Blackcap (Sylviya atricapilla) male perched in blossom, Hungary, April.

Dave Bevan / Male Pied flycatcher (Ficedula hypoleuca) calling to establish territory and attract a mate, Carmarthenshire, Wales, UK, May.

Luke Massey / Giant otter (Pteronura brasiliensis) feeding on a catfish (Loricariidae) with Cocoi heron (Ardea cocoi) scavenging remnants, Rio Cuiaba, Brazil

Bence Mate / Great white egret (Ardea alba) group of three in winter, Kiskunsag National Park, Hungary. Winner of the Bird Category of Nature Photographer of the Year Awards 2018.