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How long can a frog stay under water?

(1) How long can a frog stay under water before it has to come up for air?
(2) How long does the process of metamorphosis take?
(3) How do you tell male frogs from female frogs?
Thank you from our 5th grade in Plains, OH

Backyard Expert - Brian Cassie

1. At least "dozens of minutes" in the Bullfrog, according to expert Tom Tyning.
2. That really and truly depends upon the species concerned. And there are thousands!
3. The eardrums are larger and the throats are darker on the males (usually).

Brian Cassie

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