Is the kangaroo a species

Yes and no. There are over 60 species of kangaroo, and only four of these species are generally referred to as kangaroos. The rest are wallabies, wallaroos, rat-kangaroos, pademelons, quokkas and other smaller varieties.

The classification of a kangaroo is as follows:

Kingdom Animalia

Phylum Chordata

Class Mammalia

Infraclass Marsupialia

Order Diprotodontia

Family Macropodidae

Genus Macropus