It is not generally known that fossil evidence indicates there were once platypuses in South America, although these creatures had teeth, unlike modern platypuses.
It is unknown why platypuses became extinct in South America thousands of years ago.
a disadvantage is that there will be more platypuses and the advantage is that they will not be extinct.
"Duckbill" is not the correct term; nor are they extinct. Platypuses are not even classified as endangered in 2014.
No. The now-extinct Tasmanian Tiger, more properly known as the Thylacine, was a marsupial. The only known monotremes are platypuses and echidnas.
No. America does not have platypuses. Platypuses are endemic to eastern Australia.
Platypuses is the correct spelling.
Platypuses were not invented. They were discovered by someone.
Are PLATYPUSES born alive?
Platypuses are found only in Australia.
Platypuses are nocturnal. They come out at night.
Platypuses are considered carnivores.
Platypuses have dense fur.
Not at all. Platypuses are endemic to Australiaalone.