wallaby

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A marsupial—Macropus eugeniiwhich—may be an ideal model for studying mammalian development, given that after 28 days of embryologic development, the fetus is accessible from the marsupium—pouch—and can be observed for the remaining 180 days of development

wallaby

kangaroo-like creatures of small size, some of them in the same genus (Macropus) as the kangaroos, others in related genera Dendrolagus, Petrogale, Onychogalea, Lagorchestes, Lagostrophus. There are many types including rock, swamp, Tammar, hare and nail-tailed wallabies.