THE STORY BEHIND THE DUCK'S PENIS!!!

I use recently published research to explain the impressive ways in which sexual selection has shaped duck penis morphology and behaviour! Many thanks to MA Entertainment for supplying me with some video material. You can see the full video here: https://www.youtube.com/watch?v=0Hbgz87CcJ0 And here is a link to the paper by Brennan et al. http://www.bioone.org/doi/abs/10.1642/AUK-17-114.1# I hope you enjoyed this video. Like, share, and SUBSCRIBE if you did! #evolution #sexualselection