Markus Varesvuo / Syke's Warbler (Hippolais rama) Porvoo, Finland October

Neil Aldridge / Natal Robin/ Red capped robin chat (Cossypha natalensis), Hluhluwe Imfolozi Park.South Africa August

Claudio Contreras / Yucatan Wren (Campylorhynchus yucatanicus), Ria Lagartos Biosphere Reserve, Yucatan Peninsula, Mexico, August.

Hanne & Jens Eriksen / Forbes watson's swift (Apus berliozi) in flight, Oman, May

Hanne & Jens Eriksen / Forbes watson's swift (Apus berliozi) preening, in flight, Oman, May

Hanne & Jens Eriksen / Forbes watson's swift (Apus berliozi) in flight, Oman, May

Hanne & Jens Eriksen / Forbes watson's swift (Apus berliozi) in flight, Oman, September

Hanne & Jens Eriksen / Forbes watson's swift (Apus berliozi) in flight, Oman, September

Andy Trowbridge / Yellowhead (Mohoua ochrocephala) perched on beech tree. Endangered species. Blue Mountains, Southland, South Island, New Zealand. December.

Andy Trowbridge / Yellowhead (Mohoua ochrocephala) perched on beech tree. Endangered species. Blue Mountains, Southland, South Island, New Zealand. December.

Robin Chittenden / Yellow-billed Shrike (Corvinella corvina) The Gambia February 2012

Robin Chittenden / Lesser Redpoll (Carduelis cabaret) Norfolk UK February

Robin Chittenden / Yellow-billed Shrike (Corvinella corvina) The Gambia, February 2012

Mary McDonald / Lesser racket-tailed drongo (Dicrurus remifer) perched on tree branch, Satpura National Park, Madhya Pradesh, India

Mary McDonald / Tickell's thrush (Turdus unicolor) Bandhavgarh National Park, Madhya Pradesh, India

Mary McDonald / Black shama (Copsychus cebuensis) perched, Bandhavgarh National Park, Madhya Pradesh, India, March 2012

Ann & Steve Toon / Collared sunbird male (Hedydipna collaris) on Aloe plant, Kruger National Park, South Africa, June 2012

Tui De Roy / Streaked tuftedcheek ( Bellavista cloud forest private reserve, 1700m altitude, Tandayapa Valley, Andean cloud forest, West slope, Tropical Andes, Ecuador

Tui De Roy / Streaked tuftedcheek (Pseudocolaptes boissonneautii) bird, Bellavista cloud forest private reserve, 1700m altitude, Tandayapa Valley, Andean cloud forest, West slope, Tropical Andes, Ecuador

Tui De Roy / Rufous wren (CInnycerthia unirufa) Yanacocha Reserve, Jocotoco Foundation, 3,200m altitude on west slope of Pichincha Volcano, Andean cloud forest, West slope, Tropical Andes, Ecuador

Tui De Roy / Olivaceus piha (Snowornis crytoplophus) Angel Paz reserve, Mindo region, Andean cloud forest, West slope, Tropical Andes, Ecuador

Kerstin Hinze / Cape White Eye (Zosterops pallidus) bird, foraging on Natal Bottle Brush (Greyia sutherlandii), Hidden Valley, KwaZulu-Natal, South Africa

Kerstin Hinze / Cape White Eye ( Zosterops pallidus), foraging on Natal Bottle Brush ( Greyia sutherlandii), Hidden Valley, KwaZulu-Natal, South Africa

Ben Lascelles / Golden-billed Saltator (Saltator aurantiirostris). Costerna Sur, Buenas Aires, Argentina. October

Ben Lascelles / Epaulet Oriole (Icterus cayanensis). Iguazu waterfalls, Iguacu National Park, Argentina. October

Ben Lascelles / Creamy-bellied Thrush (Turdus amaurochalinus). Costanerna Sur, Buenos Aires, Argentina. October

Alan Williams / Lesser Redpoll (Carduelis cabaret) female, feeding on Larch cones, North Wales, UK, March