Question

why the kangaroos are endemic​

Answer 1

Answer:

A kangaroo can survive for long periods without drinking water—hydrated by the moisture in the vegetation it consumes. Geography: The kangaroo is endemic to Australia. ... These mobs can range in numbers anywhere from small groups to more than hundred kangaroos

Answer 2

Answer:

Eventually the Kangaroos evolved, unable to leave the continent. So this is why kangaroos only live (in the wild) in Australia.