Juan Carlos Munoz / Black-crowned Night Heron (Nycticorax nycticorax) portrait. Everglades National Park, Florida, USA, February.

Tui De Roy / Yellow-crowned night heron (Nyctanassa / Nyctanassa violacea) portrait. Galapagos Islands, Ecuador, June.

Inaki Relanzon / Female Crowned lemur (Eulemur coronatus) portrait, Ankarana Special Reserve, Ambilobe, North Madagascar, November

Inaki Relanzon / Female Crowned lemur (Eulemur coronatus) portrait, Ankarana Special Reserve, Ambilobe, North Madagascar, November

Steve Gettle / Violet-crowned Woodnymph (Thalurania colombica) hummingbird male flying, Costa Rica

Edwin Giesbers / Crowned crane (Balearica regulorum) close-up of feathers, captive

Edwin Giesbers / Crowned crane (Balearica regulorum) preening, captive

Rolf Nussbaumer / Orange-crowned Warbler (Vermivora celata), adult on autumn leaves of Bigtooth Maple (Acer grandidentatum), Hill Country, Central Texas, USA, November.

Bence Mate / Green crowned brilliant hummingbird (Heliodoxa jacula) male taking off to feed at feeder in garden, another waiting perched on lichen covered branch, Costa Rica, January. Winner, Eric Hosking award at...

Anup Shah / Grey / Southern Crowned crane (Balearica regulorum) head portrait, Masai Mara National Reserve, Kenya. March

Anup Shah / Three Grey crowned-cranes (Balearica regulorum) displaying, Masai Mara National Reserve, Kenya. December

Anup Shah / Grey / Southern Crowned crane (Balearica regulorum) head portrait with crest raised, Masai Mara National Reserve, Kenya. March.