A yellow-crowned, brush-tailed tree rat emerging from its lair in a tree.

(behind Amazonia Expeditions lodge, Tamshiyacu-Tahuayo Reserve, Peru)

mammal; rodent; spiny rat; yellow-crowned brush-tailed rat; Chordata; Mammalia; Rodentia; Echimyidae; subF Echimyinae; Isothrix bistriata, South America