Jack Dykinga / Horseshoe Bend of the Salt River with Saguaro cacti (Carnegiea gigantea), Arizona, USA.
Jack Dykinga / Saguaro cacti (Carnegiea gigantea) Cabeza Prieta National Wildlife Refuge, Arizona, USA.
Shane Gross / Lemon shark juvenile (Negaprion brevirostris) swimming in mangrove habitat near blue crab (Callinectes sapidus), a prey species for the shark. Eleuthera, Bahamas.
Shane Gross / Lemon shark juvenile (Negaprion brevirostris) trying to feed on the leaves of a red mangrove (Rhizophora mangle). As pups, the sharks have to learn to hunt for themselves and sometimes make mistakes....
Andres M. Dominguez / Crab spider (Thomisus onustus) on white flowerhead, Sierra de Grazalema Natural Park, southern Spain, May.
Jeff Foott / Mexican giant cardon cactus (Pachycereus pringlei) and Boojum tree (Fouquieria columnaris) in Sonoran Desert, rainbow in background. Catavina, Valle de los Cirios Reserve, Baja California, Mexico.
Paul Harcourt Davies / Species rich alpine meadow with Orange lily (Lilium bulbiferum), Meadow clary (Salvia pratensis) and Yellow rattle (Rhinathus sp). View towards Campitello di Fassa and mountains, Fassa Valley, Dolomit...
Shane Gross / Green turtle (Chelonia mydas) feeding on on Turtlegrass (Thalassia testudinum) seagrass bed. The Bahamas.
Jack Dykinga / Joshua Trees (Yucca brevifolia) of the Mojave Desert at dawn encircled with flowering lupines. (Lupinus sp,) Mohave County, Castaneda Wash, Arizona, USA.
Michael Hutchinson / Goldenrod crab spider (Misumena vatia) yellow female on Honesty flower, Bristol, UK, April
Edwin Giesbers / RF - White-legged damselfly (Platycnemis pennipes) peering over Oxeye daisy (Leucanthemum vulgare) flower. The Netherlands. August. (This image may be licensed either as rights managed or royalty free...
Edwin Giesbers / Common red soldier beetle (Rhagonycha fulva) pair mating amongst flowers. The Netherlands. July.
Edwin Giesbers / Orange tip butterfly (Anthocharis cardamines), two females on Cuckooflower (Cardamine pratensis) in marshy grassland, egg visible on stem. April 2009.
Edwin Giesbers / Orange tip butterfly (Anthocharis cardamines) two females on Cuckooflower (Cardamine pratensis). The Netherlands. March.
Edwin Giesbers / RF - Green-veined white butterfly (Pieris napi) on Cuckooflower (Cardamine pratensis), in meadow amongst Buttercup (Ranunculus sp) flowers. The Netherlands. March. (This image may be licensed either a...
Edwin Giesbers / Small pearl bordered fritillary butterfly (Boloria selene), two resting on Scabious. The Netherlands. July.
Jurgen Freund / Magnificent sunbird (Aethopyga magnifica) male perched on flower. Bacolod, Negros Occidental, Philippines.
Jurgen Freund / Firefly (Lampyridae) trails on beach at night, Palm tree silhouetted against milky way. Oak Beach, Port Douglas, Far North Queensland, Australia. 2016.
Philippe Clement / Tracking shot through Beech (Fagus sylvatica) forest, with the sun shining through the foliage, dolly shot, Belgium, April.
Philippe Clement / Wood anemones (Anemone nemorosa) in flower in forest, dolly shot, Belgium, April.
Marie Read / Northern cardinal (Cardinalis cardinalis) male in a late summer garden setting, Coreopsis sp. flowers around the perch, New York, USA, August.
James Dunbar / Beefly (Bombyliidae sp.) feeding at flower, April, UK
Simon Littlejohn / Honey bee (Apis) nectaring from a flowering Eucalyptus tree, Andalusia, Spain, June.
Simon Littlejohn / Family of European otters (Lutra lutra) feeding and playing amongst Whitewater crowfoot (Ranunculus aquatilis) flowers, River Stour, Dorset, England, UK, June.
Brian Bevan / Male European cuckoo (Cuculus canorus) calling to another male, before flying off in response to a female, Bedfordshire, England, UK, May.
Morley Read / Slow motion shot of a Rufous tailed hummingbird (Amazilia tzacatl) drinking nectar from a Heliconia flower, Mindo, Ecuador.
Morley Read / Slow motion shot of a Violet tailed sylph hummingbird (Aglaiocercus coelestis) drinking nectar from a Heliconia flower, Mindo, Ecuador.
Danny Green / Arctic fox (Vulpes lagopus) cub in meadow, portrait. Hornstrandir Nature Reserve, Iceland, July.
Ross Hoddinott / Male common blue butterfly (Polyommatus icarus) basking wings open on grass, Vealand Farm, Devon, UK. June.
Nick Upton / Common bee fly (Bombylius major) nectaring on a Greater periwinkle flower (Vinca major), Wiltshire garden, UK, April.
Nick Upton / Common carder bumblebee (Bombus pascuorum) nectaring on a Yellow archangel (Lamiastrum galeobdolon) flower in a garden, Wiltshire, UK, April
Nick Upton / Honey bee (Apis mellifera) nectaring on a Crab apple (Malus sylvestnis) flower in a garden, Wiltshire, UK, April.
Doug Perrine / I'iwi / Scarlet honeycreeper (Vestiaria / Drepanis coccinea) feeding on blossoms of mamane tree, (Sophora chrysophylla) also an endemic species, Haleakala National Park, Maui, Hawaii. Endemic, Vul...
John Shaw / Osprey (Pandion haliaetus) landing at its nest in a Bald cypress tree (Taxodium distichum) draped with epiphytic Spanish moss (Tillandsia usneoides). Blue Cypress Lake, Florida, USA. April.
Alex Hyde / Orange-tip butterfly (Anthocharis cardamines) egg and newly-emerged caterpillar on seed pod of Garlic Mustard (Alliaria petiolata). Peak District National Park, Derbyshire, UK. May. Focus stacked imag...
Alex Hyde / Orange-tip Butterfly egg (Anthocharis cardamines) on seed pod of Garlic Mustard (Alliaria petiolata). Peak District National Park, Derbyshire, UK. May. Focus stacked image.