Boa constrictor flicking forked tongue on leaf litter in tropical jungle of Costa Rica

coiled; leaf; litter; leaves; dead; head; snake; boa; boa constrictor; Costa Rica; red tailed; flick; flicking; forked; tongue; rainforest; forest; floor; jungle; Carate; Osa Peninsula; scales; shiney; iridescent; blue; jaws; log; reptile; cold blooded; serpent; wild; camouflage