Nature Picture Library offers the best nature photographs and footage from the world's finest photographers, to license for commercial and creative use. More than 700,000 images and video clips online, from tigers to turtles and elephants to sharks.
Doug Gimesy / Grey-headed flying-fox (Pteropus poliocephalus) male approaching female with her baby to mate, male is rejected, then goes to the toilet, Yarra Bend Park, Fairfield, Victoria, Australia, April.
Doug Gimesy / Grey-headed flying-fox (Pteropus poliocephalus) pair mating , Yarra Bend Park, Fairfield, Victoria, Australia, April.
Tony Wu / Two Siberian flying squirrel (Pteromys volans orii), just emerged from nest, taking moment prior to foraging. Hokkaido, Japan. February.
Doug Gimesy / Grey-headed flying-fox (Pteropus poliocephalus) aggressive mating behaviour (wrestling, biting) male eventually moves away, Yarra Bend Park, Victoria, Australia, April.
Doug Gimesy / Grey-headed flying-fox (Pteropus poliocephalus) male involved in courtship / mating behaviour including licking female's genitalia; male grooming his own penis, bickering and female climbing away, Yar...
Neil Challis / Giant golden orb weaver spider (Nephila pilipes) focus pull from a small male to much larger female in the background, Western Thailand.
Staffan Widstrand / Pair of Eurasian bee-eaters (Merops apiaster) perched on branch, Pusztaszer reserve, Hungary. May.
Vishal Jadhav / Great hornbill (Buceros bicornis) pair performing courtship feeding ritual, passing berry from beak to beak, then female eats berry, Maharashtra, India, February.
Vishal Jadhav / Indian jackal (Canis aureus indicus) female grooming male's head, Maharashtra, India, September.
Noemie Stroh / Green turtles (Chelonia mydas) mating on coral reef, Rocky Island, Red Sea, Egypt, June.
Vishal Jadhav / Spotted owlet (Athene brama) female looking out of nest in rocks, males appears then flies off, Maharashtra, India, January.
David Pattyn / Pair of Great crested grebes (Podiceps cristatus) performing courtship dance, The Netherlands, Europe. March.