Steven David Miller / Silhouette of an Agile wallaby (Macropus agilis) hopping along the beach at dusk, Cape Hillsborough National Park, Queensland, Australia. September.

John Waters / Wide-angle shot of a pair of Common European toads (Bufo bufo) in amplexus, jumping into a pond, Priddy, Somerset, England, UK, April.

Andy Rouse / Gentoo penguin (Pygoscelis papua) jumping onto beach, Carcass Island, Falkland Islands.

Robin Chittenden / Brown hare (Lepus europaeus) running in field of bare earth. Norfolk, England, UK. March.

Nigel Cattlin / Pale tussock moth (Calliteara pudibunda) caterpillar, a pest on Hops (Humulus lupulus), red colour form. England, UK.

Nigel Cattlin / Pale tussock moth (Calliteara pudibunda) camouflaged against tree bark. Pest of Hops (Humulus lupulus). England, UK.

Nigel Cattlin / Pale tussock moth (Calliteara pudibunda) caterpillar, a pest on Hops (Humulus lupulus), yellow colour form. England, UK.

George Sanker / Tricoloured heron (Egretta tricolor) fishing by flying low over water. Everglades National Park, Florida, USA. March.

Tui De Roy / Flightless cormorant (Phalacrocorax harrisi) in mid-air. Coming ashore with Slate pencil urchin (Eucidaris sp) in beak. Punta Albemarle, Isabela Island, Galapagos.

John Waters / Wide-angle shot of a pair of Common European toads (Bufo bufo) in amplexus, hopping into water, Priddy, Somerset, England, UK, April.

Dave Watts / Two male Eastern grey kangaroos (Macropus giganteus) play fighting and hopping away, Narawntapu National Park, Tasmania, Australia.

Dave Watts / Male Eastern grey kangaroo (Macropus giganteus) looking at camera and hopping away, with others grazing in the background, Narawntapu National Park, Tasmania, Australia.