beak bird claws eye feathers female Nyctea scandiaca owl perch plumage predator raptor snowy owl talons white ear emerald green head jungle leg monitor lizard New Guinea reptile rest scales varanus zoo arachnid arachnophobia Australia catch caught eaten eating fear golden Maculata Nephila orb spider web wild boa coiled Corallus danger snake south america tree armor armored armorment armour armoured armourment Australian-freshwater-crocodile backstraps bony-ridges crocodile crocodylus-johnsoni dorsal-surface exotic fauna fresh-water-crocodile freshie hide Johnstone's-crocodile leather leathery lethargic omnivorous opportunistic opportunistic-predator osteoderms patterns powerful reptilian ridges rough rugged scutes semi-submerged skin tail tail-scutes territorial texture textured textures basking bony ridges crocodilian crocodylus-johnstoni dangerous hornback Johnston's-crocodile large amphibian animal cold blooded Iguana Iwana lizard predatory spikes subtympanic shield tough tuberculate scales