No. Psittacosis is unique to parrots.
gram negative
Yes. Only female platypuses are able to lay eggs. This is the case with all egg-laying vertebrates.
Platypuses are only able to live alongside freshwatersources such as freshwater creeks and rivers. They cannot hunt in salty water.
Usually members of the Parrot family.
The correct spelling is contagious (able to infect others).
Parrot
No. America does not have platypuses. Platypuses are endemic to eastern Australia.
Platypuses is the correct spelling.
When actively diving and hunting for food, platypuses can hold their breath for around two minutes. When they are not active, but are perhaps trying to stay unnoticed by predators, they are able to hold their breath for up to eight minutes.
No. Platypuses are endemic to eastern Australia, meaning they are not found anywhere else. No English zoos have platypuses either. As of 2013, there are no zoos outside of Australia that have platypuses.
Platypuses do not need to be in a zoo. They thrive in their native habitat, and they are not endangered. Zoos are not good places for platypuses as it is still rare for platypuses to breed in captivity.
Platypuses were not invented. They were discovered by someone.