TIL Ducks penises explode outward, have spikes on them, shapeshift, fall off after every mating season, and can grow back longer if there are more males around

https://youtu.be/6k01DIVDJlY



Submitted April 12, 2015 at 08:38PM by htallen http://www.reddit.com/r/todayilearned/comments/32c5n1/til_ducks_penises_explode_outward_have_spikes_on/