Eyelash Viper Bothriechis schlegelii Viperidae EYVI BOTSCH wildlife wild fauna side view lateral close-up poisonous venomous snake snakes endangered protected protected reptile reptiles animal animals portrait Costa Rica May Rainforest tropical palm-pitvipers eyelash pit viper palm palm-pitviper Schlegel's lancehead mountain horned habitat landscape green small tiny cloud forest log fallen tree reptile