the article i read was about a museum- the Oslo Natural History Museum- that just opened up an exhibit called Against Nature? It features many animals engaged in homosexual sex... it also mentions how many species don't stick to the heterosexual norm. here are a few links to check out

http://news.bbc.co.uk/2/hi/europe/6066606.stm

http://www.abc.net.au/news/newsitems...0/s1775806.htm