Answer: kangaroos

AnswerCrossword Clue
KANGAROOSThey have their ups and downs
KANGAROOSAussie jumpers
KANGAROOSChampion leapers.
KANGAROOSBoomers.
KANGAROOSThick-tailed animals
KANGAROOSHerbivorous hoppers
KANGAROOSLeapers
KANGAROOSHopping animals accidentally sank Argo around the middle of October (9)
KANGAROOSGroup that's called a mob
KANGAROOSOutback marsupials
kangaroosA large plant-eating marsupial with a long powerful tail and strongly developed hind limbs that enable it to travel by leaping, found only in Australia and New Guinea