Roosters have built-in earplugs

When the animals opened their beaks fully, their external auditory canals completely closed off. So basically, roosters have built-in earplugs. Interestingly, this only happened in the roosters—in hens, the canals shut somewhat, but don’t close completely because of slight differences in the morphology of their ears.


view all Interesting and Fun facts

Quotes of the Day

Picture Quotes