Start / MinuteEarth / Why bird penises are so weird

Why Bird Penises Are So Weird

3 min • 6 mars 2025

To learn more about this topic, start your googling with these keywords:

Sex chromosome: A chromosome involved in determining the sex of an individual.
Cloaca: A posterior orifice that serves as the only exit for the gastrointestinal, urinary and genital tracts.
Mutation: An alteration in the DNA sequence that makes up a gene.
Sexually-selected Trait: A trait based on a mutation that confers a reproductive advantage.
BMP4: A protein whose presence halts the growth of bird penises in the egg.

MinuteEarth is produced by Neptune Studios LLC

https://neptunestudios.info

If you like what we do, you can help us!

- Become our patron: https://patreon.com/MinuteEarth

- Buy our merch: http://dftba.com/minuteearth

- Buy our book: https://minuteearth.com/books

- Sign up to our newsletter: http://news.minuteearth.com

- Share with your friends and family

- Leave us a comment (we read them!)

Learn more about your ad choices. Visit megaphone.fm/adchoices

Senaste avsnitt

Plate Tectonics

26 juli | 1 min

How Long Did People Use To Live?

25 juli | 4 min

We don't know what a tree is (and this video won't tell you)

24 juli | 3 min

Why It's Good To Have A Weak Hand

23 juli | 4 min

An Unexpected Consequence of COVID

22 juli | 4 min

Podcastbild

00:00 -00:00

Podcastbild

00:00 -00:00