Espen Bergersen / Walruses (Odobenus rosmarus) hauled out on beach with one rubbing belly on sand, Sarstangen, Svalbard, Norway, August.
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Neil Aldridge / Tiger leech (Haemadipsa picta) waving front end around in response to movement beside leaf, before detaching rear end from leaf and leaving frame, Danum Valley, Sabah, Borneo, Malaysia.
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Jacob Guy / Hairy frogfish (Antennarius striatus) using lure to attract prey as it waits to ambush them, Indonesia, Pacific Ocean.
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Jacob Guy / Hairy frogfish (Antennarius striatus) using lure to attract prey as it lies in wait to ambush them on seabed, Indonesia, Pacific Ocean.
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Brian Bevan / Close up of Red-eyed tree frog (Agalychnis callidryas) tadpoles developing in frogspawn. Captive.
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Roman Willi / Sawfly (Symphyta) larvae displaying synchronized defensive behaviour on leaf, Lucerne, Switzerland. September.
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Doug Wechsler / Mosquito (Culicidae) larvae in treehole cavity, Camp Woods Preserve, Pennsylvania, USA. June.
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Manuel Gracia / Two-tailed pasha larva (Charaxes jasius) hatching, larva eats its way out of the egg shell, Seville, Spain, September. Speed Ramped (Not Timelapse). Studio.
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Manuel Gracia / Panning shot of Two-tailed pasha (Charaxes jasius) caterpillar starting to change into chrysalis, Seville, Spain, Februry. Speed Ramped (Not Timelapse). Studio.
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Michael Hutchinson / Marsh fritillary (Euphydryas aurinia) caterpillars in communal silk web in grass, Devon, UK, March.
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James Dunbar / Parasitic wasp (Cotesia glomerata) larvae spinning silk cocoon while emerging from body of Large white caterpillar (Pieris brassicae) host, Bristol, UK, August. Controlled conditions.
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James Dunbar / Parasitic wasp (Cotesia glomerata) spinning yellow silk cocoon while leaving Large white caterpillar (Pieris brassicae) host, Bristol, UK, August. Controlled conditions
