antipodes Australia Boomer guard protect joey kangaroo kangaroo baby kangaroo mother kangaroo mum macropodidae mammal Marsupial mother and child snout terrestrial animal wild animals wildlife zoo zoological garden animals furry grass kangaroos mammals mommy mother tails bag child lay pouch rest foal small agile animal arboreal climber color colored colorful colors colour coloured colourful colours dendrolagus-goodfellowi-buergersi distinctive endangered Goodfellow’s-tree-kangaroo highly-threatened jumping-ability omnivore omnivorous ornate-tree-kangaroo overhunted Papua-New-Guinea rainforest-habitat rare tree-climber young youngster