nightjar nyctibius maculosus in a cage.

wildlife tree nature animal wood zoo bird branch nightjar nyctibius maculosus cage sitting trunk sleeping eyes closed mottled gray-brown plumage bars side view park brazil nyctibius camouflage pattern griseus exotic night bird south america birds brazil birds birdwatching branch nocturnal hunter predator camouflaged nightjar camouflage avian fauna maculosus cage ornithology trunk birding perched sleep asleep eye feathers spots plumage gray sit bars face barred foz iguacu feather tropical rainforest iguazu closeup park brown wild