green-and-black poison dart frog (dendrobates auratus), arenal, costa rica

green black poison dart frog dendrobates auratus costa rica animal amphibian poisonous nature forest small rainforest central america closeup cute latin danger themes blue national park natural habitat camouflage reptile spotted sticky deadly south toad beauty herpetology pattern slimy arrow greenandblack anura colored turquoise arenal la fortuna alajuela