Tony Wu / Humphead parrotfish (Bolbometopon muricatum) shoal spawning in early morning, part of mass aggregation of thousands of fish. Caroline Islands, Palau.

Staffan Widstrand / Grey-headed woodpecker (Picus canus) on tree trunk in falling snow. Kalvtrask, Vasterbotten, Lapland, Sweden. January.

Danny Green / Bald eagle (Haliaeetus leucocephalus) in flight, Alaska, USA, February

Danny Green / Bald eagle (Haliaeetus leucocephalus) head portrait, Alaska, USA, February

Danny Green / Bald eagle (Haliaeetus leucocephalus) in flight, Alaska, USA, February

Bence Mate / Green / Double-crested basilisk (Basiliscus plumifrons) running across water surface, Santa Rita, Costa Rica.

Biraj Sarkar/ BIA / Ashy-headed Green Pigeon (Treron phayrei) feeding on fruit, Darjeeling, India

MYN / Piotr Naskrecki / Long legged fly (Condylostylus sp) portrait, Concord, Massachusetts, USA, June. meetyourneighbours.net project

Pete Oxford / Yellow-headed Amazon Parrot (Amazona oratrix) captive, Belize

SINCLAIR STAMMERS / Acellular Slime Mould, 'Many headed slime' (Physarum polycephalum) inhabits shady, cool, moist areas, such as decaying leaves and logs

Luiz Claudio Marigo / Green headed tanager {Tangara seledon} Brazil

Hermann Brehm / Grey-headed Woodpecker(Picus canus) male on tree trunk, Germany. January