PHRoosters have built-in earplugs
Considering a rooster's call can reach 140 decibels or louder, it might leave one to wonder how the rooster itself keeps from going deaf when that noise is coming right out of its beak. It turns out, the farm fowl have built-in earplugs. Researchers found that when a rooster opens its beak to crow, You do not have permission to view the full content of this post. Log in or register now. close off, preventing sound from coming in and doing any damage.
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