Which animals have the weirdest genitals? - Quora
Special Announcement: April is D.P. Month! | Curious Cox
The Scientist - Via Nature News: "Male ducks respond to sexual competition by growing either an extra-long penis or a nub of flesh." https://buff.ly/2fiq1MH This upgrade in size may increase a male
There is a Type of Duck That Sometimes Lassos its Potential Mates with its Penis
How Corkscrew Vaginas and Female Penises Evolved | Live Science
philosomama: Duck willies
Duck banged so many birds he broke his penis, got it amputated
Ducks Grow Longer Penises to Compete With Other Males
How do ducks have sex with their corkscrew-shaped penises? | Metro News
Ducks fight the battle of the sexes in their genitals | New Scientist
Ballistic penises and corkscrew vaginas - the sexual battles of ducks | ScienceBlogs
This Is How Ducks Have Sex And It's Pretty Incredible
The sex wars of ducks | Nature
Why are duck penises corkscrew-shaped and how do they mate? | BBC Science Focus Magazine
Duck Penis Length Depends on Other Guys | WIRED
TIL: Not only do ducks have corkscrew penises; they have the longest penises relative to their size of any vertebrate animal. If humans had the same body to penis size then a
Corkscrew penis, convoluted vagina': Meet the Manchester lecturer at one with the wang - Mancunian Matters
Rare and eccentric corkscrew from Argentina with carved wooden penis shaped handle Stock Photo - Alamy
Why are duck penises corkscrew-shaped and how do they mate? | BBC Science Focus Magazine
Duck Penis (We're not sure what they were doing) | par Carol… | Grant and Caroline's pix | Flickr
Do Ducks Have a Penis? - Cackle Hatchery
This Is How Ducks Have Sex And It's Pretty Incredible
Duck Corkscrew Penis Stockfoto 1246242601 | Shutterstock
