Staffan Widstrand / RF- Jaguar head profle portrait (Panthera onca) head portrait captive. Pantanal, Brazil. (This image may be licensed either as rights managed or royalty free.)

Rolf Nussbaumer / RF- Wild turkey males displaying (Meleagris gallopavo). Texas, USA. (This image may be licensed either as rights managed or royalty free.)

George McCarthy / RF- Tawny owl with moon behind (Strix aluco), UK. (This image may be licensed either as rights managed or royalty free.)

Niall Benvie / RF- Chanterelle mushroom (Cantharellus cibarius), gill detail. (This image may be licensed either as rights managed or royalty free.)

Danny Green / RF - Bison (Bison bison) breathing in the cold air, Yellowstone National Park, USA, February (This image may be licensed either as rights managed or royalty free.)

Nick Garbutt / RF - Scarlet Macaws (Ara macao) in flight. Osa Peninsula (near Corcovado National Park), Costa Rica, Central America. (This image may be licensed either as rights managed or royalty free.)

Edwin Giesbers / RF - European ground squirrel / Souslik (Spermophilus citellus) in grass with daisies, Gerasdorf, Austria. April. (This image may be licensed either as rights managed or royalty free.)

Edwin Giesbers / RF - European ground squirrels / Sousliks (Spermophilus citellus)greeting, Gerasdorf, Austria. April. (This image may be licensed either as rights managed or royalty free.)

Edwin Giesbers / RF - European hamster (Cricetus cricetus) with cheek pouches full, Austria. (This image may be licensed either as rights managed or royalty free.)

Edwin Giesbers / RF - European hamster (Cricetus cricetus) Austria. (This image may be licensed either as rights managed or royalty free.)

Edwin Giesbers / RF - Marbled white butterfly (Melanargia galathea) on knapweed, with soft focus leaves, Aosta Valley, Gran Paradiso National Park, Italy. (This image may be licensed either as rights managed or royalt...

Edwin Giesbers / RF - Marbled white butterfly (Melanargia galathea) on knapweed with soft focus flowers, Aosta Valley, Gran Paradiso National Park, Italy.