Ole Jorgen Liodden / Woodpecker finch (Camarhynchus pallidus) using stick as a tool for foraging, Galapagos. Endemic.
Denis-Huot / Village weaver bird (Ploceus cucullatus) male building a nest after the rains, Masai-Mara Game Reserve, Kenya. February.
Ann & Steve Toon / Baby ground squirrel (Xerus inauris) using its tail for shade, Kgalagadi Transfrontier Park, South Africa. Non-ex.
Ben Cranke / Black-striped capuchin (Sapajus libidinosus) using rock as a tool to break open palm nut, Parnaiba Headwaters National Park, Piaui, Brazil. August.
Ingo Arndt / Caddisfly (Limnephilidae) case built out of sticks and bark fragments, Germany, November.
Ingo Arndt / Caddisfly (Limnephilus sp.) case built of sticks, wood fragments, seeds, snail shells and plant stems, Germany, November.
Tom Gilks / Basic electric wiring linking homes in a slum with a diesel powered generator, Remba Island, Lake Victoria, Kenya.
Ingo Arndt / Bower of Vogelkop Bowerbird (Amblyornis inornatus) decorated with various types of leafs, beetle wing covers, black and brown fungi, red flowers and blue berries, Arfak Mountains, West Papua, Indonesi...
Ingo Arndt / Red wood ant (Formica rufa) carrying construction material to anthill (fir needles), Germany.
Ingo Arndt / Male Vogelkop Bowerbird (Amblyornis inornatus) constructing bower roof. Arfak Mountains, West Papua, Indonesia.
Pal Hermansen / Song thrush (Turdus philomelos) feeding chicks in a nest in an old car, Bastnas, Sweden, July. Winner of the Urban Wildlife Category at the Wildlife Photographer of the Year Awards (WPOY) 2013. Winner...
Richard Du Toit / Aerial photograph of Kosi Bay, KwaZulu-Natal Province, South Africa, Traditional Fish Traps, June 2010
Pete Oxford / Double living root bridge formed from the roots of Rubber fig tree (Ficus elastica). Made by the Khasi Tribe, Meghalaya, North East India, October 2014.
Sven Zacek / Common redpoll (Carduelis flammea) feeding on alder cones in Tartumaa, Estonia, February.
Ben Cranke / Black-striped capuchin (Sapajus libidinosus) using rocks as tools to break open palm nuts, Parnaiba Headwaters National Park, Piaui, Brazil. July.
Daniel Heuclin / Local Berber man preparing Spiny-tailed lizard (Uromastyx nigriventris) to cook on fire, near Ouarzazate, Morocco, October 2013.
Pal Hermansen / Redwing (Turdus iliacus) feeding young at nest in old car, Bastnas car graveyard, Sweden, May.
Klaus Echle / White storks (Ciconia ciconia) nests on power pylon, silhouetted against cloudy sky, Black Forest, Baden-Wurttemberg, Germany.
David Tipling / White Storks (Ciconia ciconia) nesting on Alfaro Cathedral, La Rioja Spain, May 2010.
Yukihiro Fukuda / Japanese squirrel (Sciurus lis) feeding on Walnut (Juglans ailantifolia), Mount Yatsugatake, Nagano Prefecture, Japan, August. Endemic species.
Ingo Arndt / Roller Weevil (Attelabidae) rolled leaf with larva inside, Arfak Mountains, West Papua, Indonesia.
Ingo Arndt / Great bowerbird (Chlamydera nuchalis) male preparing courting bower with stick, Litchfield National Park, Australia.
Anup Shah / Western chimpanzee (Pan troglodytes verus) juvenile female 'Joya' aged 6 years using rocks as tools to crack open palm oil nuts, Bossou Forest, Mont Nimba, Guinea. December 2010.
Anup Shah / Western chimpanzee (Pan troglodytes verus) juvenile female 'Joya' aged 6 years carrying rocks while walking on hind legs, Bossou Forest, Mont Nimba, Guinea. January 2011.