Murray Cooper / Sparkling Violet-ear (Colibri coruscans) hummingbird males fighting, Ecuador, digitally manipulated

Niall Benvie / Photograph of flowering Burnet saxifrage (Pimpinella saxifraga) manipulated and text added to represent illustrated book page. Scotland, UK, July

Niall Benvie / Photograph of flowering Restharrow (Ononis sp)manipulated and text added to represent illustrated book page. Scotland, UK, July

Niall Benvie / Photograph of Hairy St John's wort (Hypericum hirsutum) manipulated and text added to represent illustrated book page. Scotland, UK, July

Niall Benvie / Photograph of Blackthorn blossom (Prunus spinosa) manipulated and text added to represent illustrated book page. Scotland, UK, July

Stephen Dalton / Barn owl (Tyto alba) in flight, flying down to catch rat prey, UK, manipulated image (controlled conditions rat protected by sheet of perspex)

Doug Perrine / Atlantic sailfish {Istiophorus albicans} hits sardine with bill while feeding on bait ball of Spanish sardines / gilt sardine / pilchard / round sardinella {Sardinella aurita} off Yucatan Peninsula, M...

Doug Perrine / Atlantic sailfish {Istiophorus albicans} attacking bait ball of Spanish sardines / gilt sardine / pilchard / round sardinella {Sardinella aurita} off Yucatan Peninsula, Mexico, Caribbean Sea, Digitall...

Doug Perrine / Atlantic sailfish {Istiophorus albicans} attacking bait ball of Spanish sardines / gilt sardine / pilchard / round sardinella {Sardinella aurita} off Yucatan Peninsula, Mexico, Caribbean Sea, Digitall...

Doug Perrine / False killer whale ( Pseudorca crassidens ) with mouth open, showing large conical teeth, captive, aquarium, from Indo-pacific, digitally manipulated

Doug Perrine / Young Sperm whale calf (Physeter macrocephalus) Endangered, Kona, Hawaii, Central Pacific Ocean digitally manipulated

Doug Perrine / Northern / lined / Atlantic seahorse (Hippocampus erectus) male giving birth - expelling fry from pouch - young fry then float to the water's surface; captive, digitally manipulated