Birdwatch Note Rating
2023-04-08 05:21:49 UTC - HELPFUL
Rated by Participant: FB5F3ED54CFA061E2D3FCC006121F6F23906585AE70EC2AC2FBEED71DC673388
Participant Details
Original Note:
The size of their testicles is inversely proportional to the loudness of their calls. This is because the energy required to produce loud calls comes at a cost to other physiological processes such as reproduction. https://www.upi.com/Science_News/2015/10/22/Study-The-louder-the-howler-monkey-the-smaller-his-testicles/2251445536012/
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