activities boat buying cruise Halong Bay making money off shore tourist Vietnam vietnamese lady animal appearance Australian backward-pouch backyard bandicoot bristly brown bung coarse coarse-fur curious forager foraging hopping hops inquisitive isoodon-obesulus mammal Marsupial multi-oestrus native nocturnal omnivore patio peramelemorphia porch quadrupedal quenda short-nosed-bandicoot solitary southern-brown-bandicoot squat stocky suburban suburbs terrestrial territorial wild wild-animal wildlife