Ingo Arndt / Land snail (Polymita picta) collection of shells showing variation in patterning, Cuba. Endemic species.

Alex Mustard / Nudibranch (Flabellina lineata) in aquarium, taken in the field in Gulen, Norway. North East Atlantic Ocean. Collected for scientific research.

Pete Oxford / Head-hunted human skulls, collected by the Konyak Naga tribe, North East India, October 2014.

Pal Hermansen / Composite of flying butterflies (Lepidoptera) on sphere.

David Kjaer / Great bustard (Otis tarda) chicks hatched from eggs collected under licence from the Castilla-La Mancha region of Spain.

Sam Hobson / Blood samples collected by scientists working with urban goshawks (Accipiter gentilis). Berlin, Germany, May 2014. Nominated in the Melvita Nature Images Awards competition 2014.

Ingo Arndt / Vogelkop bowerbird (Amblyornis inornatus) decoration material (fruit and beetle elytra ) collected in order to attract females to his bower, Arfak Mountains, Irian Jaya, New Guinea, Indonesia.

Ingo Arndt / Vogelkop bowerbird (Amblyornis inornatus) decoration material (fungus) collected in order to attract females to his bower, Arfak Mountains, Irian Jaya, New Guinea, Indonesia.

Ingo Arndt / Vogelkop bowerbird (Amblyornis inornatus) decoration material (blue rotten wood) collected in order to attract females to his bower, Arfak Mountains, Irian Jaya, New Guinea, Indonesia.

Paul D Stewart / Male Large Blue Butterfly (Maculinea eutryphon / arion) collected in 1865. It is here surrounded by other extant UK blue butterfly species. The large Blue was first recorded as a British species in 17...

David Shale / Solenosmilia sp and eunicid polychaete and bamboo coral. Collected from coral sea mount near Dragon vent field on SW Indian Ridge, Indian Ocean.

David Shale / Pencil urchin (Cidaroid). Collected from coral sea mount near Dragon vent field on SW Indian Ridge, Indian Ocean.

David Shale / Pencil urchin (Cidaroid). Collected from coral sea mount near Dragon vent field on SW Indian Ridge, Indian Ocean.

David Shale / Black coral (Antipatharia) with tendrils extruded to catch prey. Collected from coral sea mount near Dragon vent field on SW Indian Ridge, Indian Ocean.

Juergen Freund / Fisherman with a net full of freshly blasted or dynamited schooling fish collected from the reef. Phillipines, April 2009.

Pete Oxford / Boy sitting on rolls of Balata made from latex collected from Balata / Bullet Wood tree, Nappi, Rupununi, Guyana, used for crafts, February 2010

Laurent Geslin / Arctic charr (Salvelinus alpinus) eggs, collected from Lake of Geneva, France, December 2007.

Mark Bowler / Silver arowana fish (Osteoglossum bicirrhosum) young fish are collected from the father fish who guards the young in his mouth and then released in a fish farm to grow until the price increases with d...

Mark Bowler / Silver arowana (Osteoglossum bicirrhosum) Amazonian fish occuring in Varzea flooded forests of the amazonian rainforest. These babies with their yolk sacks have been collected for the ornamental fish...

SINCLAIR STAMMERS / Photomicrograph of fully embryonated (Neoascaris / Toxocara vitulorum) eggs containin larvae immediately prior to hatching. Parasitic nematodes which normally infect cattle, collected from Egyptian ca...

Ingo Arndt / Sea ice crystals. Fine piece of an ice core collected on an ice floe photographed under polarized light. Crystals grown under calm water conditions. Horizontal section. Weddell Sea, Antarctica FOR SAL...

Mark Moffett / Harvester Ant (Messor sp) returning to nest with a seed it has collected to husk and store, near Kerman, Iran

Doug Gimesy / Collected remains of Gray-headed flying-fox (Pteropus poliocephalus) pups that died during cold weather event. Victoria, Australia.

Doug Gimesy / Collected remains of Gray-headed flying-fox (Pteropus poliocephalus) pups that died during cold weather event. Victoria, Australia.

Ugo Mellone / Biologist, Javier Herrera, viewing image of African golden wolf (Canis anthus) collected by a camera trap Djebel Ouarkziz, Southern Morocco, Africa, 2018.

Doug Gimesy / An animal welfare and anti-duck hunting advocate Dillon Walkin displays a dead Freckled duck (Stictonetta naevosa) that was collected from a lake during the opening morning of duck hunting season. Thi...

Shane Gross / Logs are collected along a river's edge, Vancouver Island, Canada.

Doug Gimesy / Arborist Ryan Roberts holds the sticky seed from a ripe Long-flowered mistletoe (Dendrophthoe vitellina) collected by him and his team from a Spotted gum tree (Corymbia maculate). Tomalpin Woodlands (...

Doug Gimesy / Woodland bird project officer documents the position and tree (via geotagging) where the sticky seeds of a |Long-flowered mistletoe (Dendrophthoe vitellina) - collected the previous day - have been pl...

Doug Gimesy / Arborist Ryan Roberts plants the sticky seeds of Long-flowered mistletoe (Dendrophthoe vitellina) - which were collected the previous day - onto the high branches of a Spotted gum tree (Corymbia macul...

Doug Gimesy / Arborist Ryan Roberts plants the sticky seeds of Long-flowered mistletoe (Dendrophthoe vitellina) - which were collected the previous day - onto the high branches of a Spotted gum tree (Corymbia macul...

Doug Gimesy / Woodland bird project officer Kristy Peters (from BirdLife Australia) documents the position and tree (via geotagging) where the sticky seeds of a Long-flowered mistletoe (Dendrophthoe vitellina) - co...

Doug Gimesy / Woodland bird project officer Kristy Peters (from BirdLife Australia) documents the position and tree (via geotagging) where the sticky seeds of a Long-flowered mistletoe (Dendrophthoe vitellina) - co...

Doug Gimesy / Arborist Sam Hardingham plants the sticky seeds of Long-flowered mistletoe (Dendrophthoe vitellina) - which were collected the previous day - onto the high branches of a Spotted gum tree (Corymbia mac...

Doug Gimesy / Woodland bird project officer Kristy Peters (from BirdLife Australia) holds collection of Long-flowered mistletoe (Dendrophthoe vitellina) seeds which were collected the previous day and about to be p...

Doug Gimesy / Animal welfare and anti-duck hunting advocate Dillon Walkin displays a dead threatened freckled duck (Stictonetta naevosa) that was just collected from a lake during the opening morning of duck hunti...

Pete Oxford / Bird eggs for food collected by Dani tribe boy, Budaya village, Suroba, Trikora Mountains, West Papua, Indonesia. March 2018.

John Shaw / Salt cones on the Salar de Uyuni, Bolivia. March. The Salar is the world's largest salt flat, at over 10500 square kilometers. Salt is shoveled into these cones, to be collected later.

John Shaw / Salt cones on the Salar de Uyuni, Bolivia. The Salar is the world's largest salt flat, at over 10500 square kilometers. Salt is shoveled into these cones, to be collected later.

John Shaw / Salt cones on the Salar de Uyuni, Bolivia. March. The Salar is the world's largest salt flat, at over 10500 square kilometers. Salt is shoveled into these cones, to be collected later.

John Shaw / Salt cones on the Salar de Uyuni, Bolivia. March. The Salar is the world's largest salt flat, at over 10500 square kilometers. Salt is shoveled into these cones, to be collected later.

John Shaw / Salt cones on the Salar de Uyuni, Bolivia. March. The Salar is the world's largest salt flat, at over 10500 square kilometers. Salt is shoveled into these cones, to be collected later.

Doug Gimesy / Associate Professor Michelle Power from Macquarie University Department of Biological Science holds a culture of E. coli collected from Grey-headed Flying-foxes (Pteropus poliocephalus). Macquarie...

Bryan and Cherry Alexander / Vassilly Pyak, the Forest Nenets man who led the group that collected the reindeer herd. Khanty Mansiysk,Russia. 2000.

Jeff Foott / Man drinking blood collected from venous puncture of cow. Traditionally blood is used to add protein to the diet, especially of the sick. Maasai Mara National Reserve, Kenya. 2007.

Edwin Giesbers / Entomologists examining pinned Insect specimens in collection. Krefeld, Germany. 2019. Editorial use only.