Donald M. Jones / American Avocet (Recurvirostra americana) pair courting, Montana
01590789
Paul Williams / Tunku Abdul Rahman Peak (3948 m) as seen from Sayat-Sayat checkpoint on the slope to the summit. Eastern plateau of Mt Kinabalu, Borneo.
01574357
Nick Upton / Black-headed gull (Larus ridibundus) male mounting a female's back to mate, Gloucestershire, UK, April.
01565007
Yashpal Rathore / Blackbuck (Antelope cervicapra), male mounting female. Tal Chhapar Wildlife Sanctuary, Rajasthan, India
01565004
Yashpal Rathore / Blackbuck (Antelope cervicapra), Male mounting on female at dawn. Tal Chhapar Wildlife Sanctuary, Rajasthan, India
01565000
Yashpal Rathore / Blackbuck (Antelope cervicapra), courtship display, Male pursues female, nose pointing upward, positioning female for mounting. Tal Chhapar Wildlife Sanctuary, Rajasthan, India.
01564999
Yashpal Rathore / Blackbuck (Antelope cervicapra), male mounting female. Tal Chhapar Wildlife Sanctuary, Rajasthan, India
01564998
Yashpal Rathore / Blackbuck (Antelope cervicapra), courtship display. Male pursues female, nose pointing upward before mounting. Tal Chhapar Wildlife Sanctuary, Rajasthan, India
01564976
Yashpal Rathore / Indian wild ass (Equus hemionus khur), young stallion practising mounting, Little Rann of Kutch, Gujarat, India
01561976
Erlend Haarberg / Wild Reindeer (Rangifer tarandus) pair mating with another male mounting the male, Forollhogna National Park. Norway September
01561969
Erlend Haarberg / Wild Reindeer (Rangifer tarandus) pair mating with another male mounting the male, Forollhogna National Park. Norway September
01561968
Erlend Haarberg / Wild Reindeer (Rangifer tarandus) pair mating with another male mounting the male, Forollhogna National Park. Norway September
