Close up shot of a cute little Pallas's squirrel, curiously sniffing and foraging around the exposed roots of an ancient tree in the ground of ecological forest park

pallass squirrel pallas squirrel old tree root ground bound exposed buttressed plank redbellied forest daan park forage food feed fluffy tail animal wild wildlife nature natural habitat callosciurus erythraeus species china southeast asia behaviour yunlin douliu move movement floor look sniff taiwan taipei garden rainforest ecological curious ancient explore search smell