Where does frogs without lungs live?
The Bornean flat-headed frog (Barbourula kalimantanensis) is a species of frog in the family Bombinatoridae. It is a species without lungs and breathing only through the skin. Those frogs live only in the Indonesian part of Borneo, in a very small area. Although many salamanders are lungless, the Bornean flat-headed frog is the first frog known to have no lungs.
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How do baby birds get oxygen inside their eggs?
They have a large oxygen supply from the start
Oxygen is created during protein reduction
Oxygen comes in through pores in the shell
They don't need oxygen at all