g🌎🌏gle facts on Twitter: "The Argentine Lake Duck's penis is as long as the bird itself @google_facts0 #birds https://t.co/tPPS0n7Fgu" / Twitter
Sexual Competition among Ducks Wreaks Havoc on Penis Size - Scientific American
Argentine Blue-bill, Argentine Lake Duck or Argentine Ruddy Duck
Sexual competition has endowed ducks with enormous organs | Science Illustrated
Bird penises are fascinating. Wait, where are you going? | Grist
Twisted Duck Sex
There is a Type of Duck That Sometimes Lassos its Potential Mates with its Penis
White-headed Duck (Oxyura leucocephala) male on water, pulling penis with its beak after mating, captive Stock Photo - Alamy
Why are duck penises corkscrew-shaped and how do they mate? | BBC Science Focus Magazine
Duck Penis Paradox: PLOS One's Mission to Democratize Science | The New Republic
OMGFacts - Argentine lake ducks can have penises of up to 17 inches in length—the largest of any known bird. | Facebook
The size of a duck's penis depends on the company it keeps
Found! The longest bird penis ever › News in Science (ABC Science)
Duck Penises Grow Bigger Among Rivals
Our Duck Penis Problem - The Wisdom Daily
Social environment matters for duck penis size - BirdGuides
TIL the Argentine Lake Duck has the longest penis to body ratio of any vertebrate. The 8 inch duck has a 17 inch penis. If humans had this ratio, the human penis
Argentine Blue-bill, Argentine Lake Duck or Argentine Ruddy Duck
Science News - Freaky Friday Lake ducks The male lake duck is in the 3% of birds that have penises. More curiously, it has the longest penis of all vertebrates in comparison
Pacific Black Duck Penis | Displaying its penis. Lake Wendou… | Flickr
Argentine ruddy duck / Argentijnse stekelstaarteend
Duck with Prolapsed, Gangrenous Penis Gets a Trim - YouTube
