Morley Read / Slow motion clip of Army ants (Eciton rapax) on the rainforest floor, Orellana Province, Ecuador. (non-ex)

Claudio Contreras / California condor (Gymnogyps californianus), portrait. California condor recovery program, Sierra de San Pedro Martir National Park, Baja California Peninsula, Mexico.

Claudio Contreras / California condor (Gymnogyps californianus), two peched in tree, adult and juvenile. California condor recovery program, Sierra de San Pedro Martir National Park, Baja California Peninsula, Mexico.

Duncan Murrell / New Zealand giraffe weevil (Lasiorhynchus barbicornis), Lake Waikaremoana, North Island, New Zealand. New Zealand giraffe weevil is endemic to New Zealand and is its longest beetle in the world.

Ernie Janes / Black howler (Alouatta caraya) male and female, captive, occurs in Brazil and Paraguay. With digitally added leaf pattern.

John Shaw / Yellow warbler (Setophaga petechia aureola) on lava rocks. Isabela Island, Galapagos. May.

Andy Rouse / Black headed bunting, (Emberiza melanocephala), catching flies on sunflower crop, Bulgaria, June.

Jack Dykinga / Yellow-headed blackbirds (Xanthocephalus xanthocephalus) and Redwing blackbirds (Agelaius phoeniceus) roosting. Whitewater Draw Wildlife Area, Arizona, USA, December.

Jack Dykinga / Murmuration of Yellow-headed blackbirds (Xanthocephalus xanthocephalus) and Redwing blackbirds (Agelaius phoeniceus) at sunset, before roosting. Whitewater Draw Wildlife Area, Arizona, USA, December.

Bernard Castelein / Yellow-rumped cacique (Cacicus cela) calling, Madidi NP, Bolivia

Bernard Castelein / Guianan brown capuchin (Sapajus apella) chewing on branch, Pampas del Yacuma Protected Area, Bolivia

Bernard Castelein / Bolivian red howler (Alouatta sara), Pampas del Yacuma Protected Area, Bolivia