Jack Dykinga / Scalding hot water continuously spouting behind layers of mineral deposits, Fly Geyser, Black Rock Desert, Great Basin Desert, Nevada, USA

Morley Read / Lantern fly (Fulgora laternaria) walking along a branch in the rainforest, Orellana Province, Ecuador. (non-ex)

Marie Read / Arctic terns (Sterna paradisaea), two in flight over nesting colony in field of buttercups (Ranunculus sp.), Keflavik, Iceland. Digital canvas expansion.

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.

Pal Hermansen / Hoverfly in flight, backlight, Norway, September.

Kim Taylor / Redpoll (Carduelis flammea) male landing on Alder (Alnus glutinosa) Surrey, England. February

Jan Hamrsky / Black fly pupae (Simuliidae) attached to the stem of aquatic plant, Europe, August, controlled conditions

Jack Dykinga / Scalding hot water continuously spouting behind layers of mineral deposits, Fly Geyser, Black Rock Desert, Great Basin Desert, Nevada, USA

Nick Upton / Hoverfly (Myathropa florea), using proboscis to feed on pollen from anthers of Ivy flowers (Hedera helix). Wiltshire garden, UK, September

Stephen Dalton / Venus flytrap (Dionaea muscipula) with fly trapped

Nick Upton / Male Black Snipe fly (Chrysopilus cristatus), standing on a Philadelphus leaf in a garden, Wiltshire, UK, May.