Brown Swiss is not a species. All cattle, regardless of breed, are generally and collectively known as the Bos primigenius species. The B. primigenius species contains two subsecies: B. p. taurus and...
Because the name Bivalve literally means two shells. Oysters have two shells, Clams have two shells, Scallops have two shells, etc.
The Koala (Phascolarctos cinereus) is a tree dwelling, herbivorous, mostly nocturnal marsupial mammal and is indigenous to Australia.
Biotic factors
The legend is that the team was named after head coach Paul Brown.