Love in the Animal Kingdom | Slide Show | Nature

Polar bear (Ursus maritimus) pair in rough ice
Polar bear (Ursus maritimus) pair in rough ice on the frozen Eastern Chuckchi Sea, Arctic Alaska. ©Steven J. Kazlowski/Naturepl.com
European Wolf in snow
European Wolf (Canus lupus) in snow. ©Geslin Laurent/Naturepl.com
Demoiselle damselfly
Male banded demoiselle damselfly (Calopteryx splendens) gripping female with tail claspers as she prepares to mate in wheel position. Wiltshire, UK, May. ©Nick Upton/Naturepl.com
Lesser flamingos
Lesser flamingos (Phoenicopterus minor) courtship dance, Lake Bogoria, Kenya. ©Barrie Britton/Naturepl.com
Topi males sparring
Topi males sparring (Damaliscus lunatus jimela). Maasai Mara National Reserve, Kenya. March 2011. ©Anup Shah/Naturepl.com
Kagu
Kagu courtship “strut.” ©James Mair/BBC
Mountain Gorillas
Mountain Gorillas (Gorilla beringei). Rwanda, Africa. ©Andy Rouse/Naturepl.com
Two ring-tailed lemurs in an embrace.
Two ring-tailed lemurs in an embrace. ©Rosie Thomas/BBC
Blue-footed booby
Blue-footed booby (Sula nebouxii) performing courtship dance as another watches. Santa Cruz Island, Galapagos, June. ©Tui De Roy/Naturepl.com

Slide Show