生物の求愛、交尾、性器について熱く語れ。

過去ログ
http://kamome.2ch.net/test/read.cgi/wild/1242692093/
http://science6.2ch.net/test/read.cgi/wild/1188902460/
http://science6.2ch.net/test/read.cgi/wild/1142080906/
http://science4.2ch.net/test/read.cgi/wild/1111426277/
http://science3.2ch.net/test/read.cgi/wild/1042873119/
http://caramel.2ch.net/wild/kako/1015/10152/1015217177.html