Why do buffalos not sink when they are in water?

Answer 1

Same reason humans can swim, our density is less than water ...

mainly because of the air in our lungs.

Answer 2

What do you mean? Well not in the deep water where you need to swim to survive. But the shallow waters, yes.

Answer 3

perhaps they are thirsty or need to cool off

Answer 4

Buffalo swim in water because they get hot because there fur is thick so they need to cool down

Answer 5

Yes.