A big Rainforest Hognosed Pitviper from the high forests of Guatemala a couple of years go. These are impressive little snakes that are nearly invisible in forest floor leaf litter.

A big Rainforest Hognosed Pitviper from the high forests of Guatemala a couple of years go. These are impressive little snakes that are nearly invisible in forest floor leaf litter.
A small viper from the relatively dry tropical forests of Pacific coastal Costa Rica. This Slender Hognosed Pit Viper was found crossing a path late at night. They are common in the area, and in good conditions, dozens can be seen in a single night.