questions about my screeching wyvern?

OK, this how it goes for my wyvern (they're called scaled howlers) in my story:

• my wyvern are not very large, almost the size of a Haast eagle

• They mate for life, forming strong monogamous pair bonds

• they defend themselves by producing a powerful piercing screech (for around 7 seconds) that can be heard for miles, and is strong enough to harm (the ones that can't cover its ear) and temporarily stun attackers (stop them in their tracks) who can hear it (like causing any humans to hold its ears in pain), and this especially helps to call its mate to help it to fends its attackers

so my question is: can its screeching ability be biologically plausible? if so what the anatomy that my wyvern can have to produce this powerful piercing screech, like what is the frequency or decibel that it can have in order to stun its attackers or how does it prevent itself from getting hurt?

posted almost 4 years ago

user3556983‭

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