Ross Hoddinott / RF- Speckled bush cricket (Leptophyes punctatissima) resting on backlit oak leaf, Bovey Tracey, Devon, UK. August.

Carol Walker / RF- Two Wild mustang foals, sniffing noses. Pryor Mountains, Montana, USA. (This image may be licensed either as rights managed or royalty free.)

Ernie Janes / RF- Domestic chicken (Gallus gallus domesticus) newly hatched day chick standing in among Daises. UK, March. (This image may be licensed either as rights managed or royalty free.)

Alex Mustard / RF- Secretary blenny (Acanthemblemaria maria) peering from hole in massive Starlet coral (Siderastrea siderea). East End, Grand Cayman, Cayman Islands, British West Indies, Caribbean Sea. (This image...

Edwin Giesbers / RF- Male Indian peafowl (Pavo cristatus) head portrait, captive. (This image may be licensed either as rights managed or royalty free.)

Andy Rouse / RF- Mountain Gorilla (Gorilla beringei) adult with infant. Rwanda, Africa. Endangered species. (This image may be licensed either as rights managed or royalty free.)

Alex Mustard / RF- Juvenile Weedy Seadragon (Phyllopteryx taeniolatus) in seagrass habitat. Flinders Jetty, Melbourne, Victoria, Australia, March. (This image may be licensed either as rights managed or royalty fr...

Peter Cairns / 2020VISION / RF- Gannet (Morus bassanus) stalling in flight, Bass Rock, Firth of Forth, Scotland, UK, June. (This image may be licensed either as rights managed or royalty free.)

Mark Taylor / RF- Portrait of three kittens. (This image may be licensed either as rights managed or royalty free.)

Mark Taylor / RF- German Shepherd Dog looking inquisitively with tilted head. (This image may be licensed either as rights managed or royalty free.)

Edwin Giesbers / RF- European Rabbit (Oryctolagus cuniculus) in grass with dandelions. The Netherlands. May.

Ernie Janes / RF- Yellow Labrador retriever puppy in garden, UK, April. (This image may be licensed either as rights managed or royalty free.)

Alex Mustard / RF- Two Caribbean reef sharks (Carcharhinus perezi) at the surface. Grand Bahama, Bahamas. Tropical West Atlantic Ocean. (This image may be licensed either as rights managed or royalty free.)

Rolf Nussbaumer / RF- Head portrait of Bullfrog (Rana catesbeiana) partially submerged in lake, Fennessey Ranch, Refugio, Coastal Bend, Texas Coast, USA. (This image may be licensed either as rights managed or royalty...

Edwin Giesbers / RF- Ring-tailed Lemur portrait (Lemur catta), captive, Netherlands. (This image may be licensed either as rights managed or royalty free.)

Mark Taylor / RF- Sandy Lionhead-cross rabbit, sitting. (This image may be licensed either as rights managed or royalty free.)

Mark Taylor / RF- Lionhead-cross rabbit, sniffing. (This image may be licensed either as rights managed or royalty free.)

Edwin Giesbers / RF- Panther chameleon (Furcifer pardalis) on branch, Madagascar, Africa. (This image may be licensed either as rights managed or royalty free.)

Ross Hoddinott / RF- Broad-bodied chaser dragonfly (Libellula depressa) on fern with veins in wings. Cornwall, UK. May. (This image may be licensed either as rights managed or royalty free.)

Carol Walker / RF- Group of Chinstrap Penguins (Pygoscelis antarctica) on ice. South Orkney Islands. (This image may be licensed either as rights managed or royalty free.)

Doug Perrine / RF- False clown fish (Amphiprion ocellaris) among tentacles of host sea anemone (Heteractis magnifica), Surin, Thailand. (This image may be licensed either as rights managed or royalty free.)

Doug Perrine / RF- Greenland sleeper shark (Somniosus microcephalus) St. Lawrence River estuary, Canada. NB: this shark was wild and unrestrained. (This image may be licensed either as rights managed or royalty free...

Tony Heald / RF- Flap necked chameleon (Chamaeleo dilepis) close-up of head. Etosha national park, Namibia. (This image may be licensed either as rights managed or royalty free.)

Rolf Nussbaumer / RF- Tricoloured heron (Egretta tricolor) head and neck showing breeding plumage. Welder Wildlife Refuge, Sinton, Texas, USA. (This image may be licensed either as rights managed or royalty free.)

Staffan Widstrand / RF- Tiger, young male head portrait (Panthera tigris), Bandhavgarh, India. (This image may be licensed either as rights managed or royalty free.)

Peter Cairns / RF- Common Frog (Rana temporaria) head-on close up. Cairngorms National Park, Scotland. (This image may be licensed either as rights managed or royalty free.)

Staffan Widstrand / RF- Close up of Mountain gorilla (Gorilla beringei) head portrait. Virunga National Park, Zaire, Central Africa. (This image may be licensed either as rights managed or royalty free.)

Rolf Nussbaumer / RF- Rio Grande leopard frog (Rana berlandieri) pair in duckweed. Texas, USA. (This image may be licensed either as rights managed or royalty free.)

Peter Cairns / RF- Elk / Red deer (Cervus elaphus) female in mist at dawn. Yellowstone National Park, Wyoming, USA. (This image may be licensed either as rights managed or royalty free.)