aggressive alligator animal animals croc crocodile Crocodilia eco forest Gavialidae Gharial Incredible India India jaws jungle nature predator reptile retile sharp teeth vicious wild wild animal zoo America avian beakbill bird birdlife black body brasil brazil character cheeky color colourful exotic feather feathered fowl fun head limb loving natural neck nose orange ornithology parks plumage plumes rainforest ramphastidae ramphastos sitting toco toucan tropical tucan white wildlife wing yellow armor armored armorment armour armoured armourment backstraps bony ridges crocodylus-porosus danger dangerous dorsal-surface estuarine-crocodile fauna hide hornback huge Indo-Pacific-crocodile large largest-reptile leather leathery lethargic omnivorous opportunistic opportunistic-predator osteoderms patterns powerful reptilian ridges rough rugged saltwater-crocodile scales scutes skin tail tail-scutes territorial texture textured textures