Jen Guyton / Spotted bush snake (Philothamnus semivariegatus) hanging from a bush in Gorongosa National Park, Mozambique. Cropped image.

Andy Rouse / Bengal tiger (Panthera tigris) walking portrait, Ranthambhore National Park, India. See 1500287 for cropped image. Endangered species.

Doug Perrine / Hawaiian spinner dolphins (Stenella longirostris longirostris) off Kekaha Kai State Park, Mahaiula, North Kona, Hawaii. Central Pacific Ocean. Cropped image.

Mark Raycroft / Boxer (Canis familiaris) male with cropped ears

Andy Rouse / Polar bear (Ursus maritimus) swimming, Svalbard, Norway (non-ex) June 2007. Image 01253270 is cropped from this frame.

Tui De Roy / Galapagos Giant Tortoise (Chelonoidis nigra) grazing well cropped meadow on caldera floor, Alcedo Volcano, Isabella Island, Galapagos Islands, Ecuador

Oliver Hellowell / RF - Snowdrops (Galanthus sp.) in flower on woodland floor, Blackdown hills, Somerset, UK. February. Cropped. (This image may be licensed either as rights managed or royalty free.)

Oliver Hellowell / RF - Robin (Erithacus rubecula) perched on mossy branch, Bishopswood, Somerset, UK. May. Cropped. (This image may be licensed either as rights managed or royalty free.)

Oliver Hellowell / RF - Robin (Erithacus rubecula) juvenile, perched on branch, Bishopswood, Somerset, UK. May. Cropped. (This image may be licensed either as rights managed or royalty free.)

Oliver Hellowell / RF - Chaffinch (Fringilla coelebs) male, perched on lichen covered branch, Glencoe, Scotland, UK. October. Cropped. (This image may be licensed either as rights managed or royalty free.)

Oliver Hellowell / RF - Robin (Erithacus rubecula) perched on on mossy log, Bishopswood, Somerset, UK. April. Cropped. (This image may be licensed either as rights managed or royalty free.)

Oliver Hellowell / RF - Greenfinch (Chloris chloris) male, perched on mossy log, Bishopswood, Somerset, UK. April. Cropped. (This image may be licensed either as rights managed or royalty free.)