Koalas do not go underwater.
Koalas are arboreal marsupials and, while they can swim, it is not an activity they choose to do.
because they can not breath under water that long? because they can not breath under water that long?
What I have heard is that you blow through a straw into water for as long as you can. If you do it enough then you will be able to achieve circulatory breathing.
All reptiles breathe using lungs, they cannot survive under water for a long time. Even if they spend their lives entirely in water, they have to often swim to the surface to take another breath.
how long can garter snakes stay under water?
they can't breathe under water
They can stay under water for 10 seconds.
no: you can last forever under water
I can put my face under the water for 20 seconds
A female koala is pregnant for 33 to 35 days before giving birth.
a few of the sea animals cannot stay under water for a long time.
as long as they want until they need to spout the water
A sea turtle breathes through its mouth and nose into lungs. It is able to stay under water for a long time compared to most air-breathing creature but it has to come up for air regularly.