black-cheek lizard (calotes nigrilabris) perfectly camouflaged with the leaves at horton plains national park

blackcheek lizard calotes nigrilabris camouflaged leaves horton plains national park reptile wildlife nature species sri lanka habitat conservation biodiversity ecosystem outdoors perched distinctive observation tropical natural beauty fauna highlands environment scenic solitary closeup detailed scaly forest endemic cryptic blending foliage herpetology black-cheek perfectly