An amusing video by Isabella Rossolini from the Sundance film festival, looking at non-binariness in animals. Yes, yes, I know there's a dubious-looking word in the URL, but it's to do with a series of films she's made, trust me.
http://www.sundancechannel.com/greenporno/?bclid=681381763001&bctid=644045024001 (http://www.sundancechannel.com/greenporno/?bclid=681381763001&bctid=644045024001)
I just love Isabella Rossolini :)
Me too ;D