Yukihiro Fukuda / Feral domestic rabbit (Oryctolagus cuniculus) standing on hind legs on coast, Okunojima Island, also known as Rabbit Island, Hiroshima, Japan.

Danny Green / Arctic fox (Alopex lagopus) camouflaged in winter pelage. Svalbard, Norway, April.

Oliver Wright / Four-spotted chaser (Libellula quadrimaculata) resting on stem, covered in early morning dew. Skipwith Common National Nature Reserve, North Yorkshire, England, UK. May. Focus stacked image.

Sven Zacek / Ural owl (Strix uralensis) perched in tree sleeping, viewed through a fence, Estonia.

Staffan Widstrand / Southern Giraffe (Giraffa camelopardalis) two, with one in foreground, Zimanga Private Nature Reserve, KwaZulu Natal, South Africa

Jordi Chias / Gentoo penguins (Pygoscelis papua) walking in line, returning to nesting area, Port Charcot, Antarctic Peninsula, Antarctica.

Ernie Janes / Cougar (Puma concolor) portrait, captive, occurs in the Americas. With digitally added leaves.

Edwin Giesbers / Tassel hyacinth (Muscari comosum) flower. Cyprus. April.

TJ Rich / Black working cocker spaniel in bluebells, in beech woodland, Micheldever Woods, Hampshire, UK

Andy Rouse / African Leopard (Panthera pardus) female walking, Masai Mara, Kenya

Guy Edwardes / Great peacock anemone (Anemone pavonia), Meteora, Greece.

Nick Garbutt / Bearded vulture (Gypaetus barbatus) in flight with the out-of-focus moon behind. Ladakh, Himalayas, northern India.