bush-tailed porcupine walks proudly, its spiky quills elevated, emphasizing its distinct and captivating appearance

animal wildlife quills spiny walking isolated nature mammal rodent north america black brown habitat behavior nocturnal foraging spikes sharp solitary cute fuzzy fascinating creature porcupine outdoors wild anatomy texture design species forest ecology mammals conservation biodiversity active natural history curiosity exploration expert zoology welfare portrait native stunning lively ecosystems movement ai generated