Bisa ga ƙamus, wallaby ƙarami ne ko matsakaicin girman marsupial na dangi ɗaya da kangaroo kuma ana samunsa da farko a Ostiraliya da tsibiran da ke kusa. Wataƙila kalmar "wallaby gama gari" tana nufin wani takamaiman nau'in wallaby wanda ya yadu kuma ana samunsa a cikin ƙasarsa. Matsakaicin nau'in nau'in da ake magana a kai zai dogara ne akan mahallin da wurin, saboda akwai nau'ikan wallabies daban-daban waɗanda za a iya la'akari da su gama gari a yankuna daban-daban.