Texas-based explorer Julian Gunther's pictures show adult anacondas coiled around branches in the waterways of South America's tropical Pantanal wetland region.

Given their evolutionary advantages, few animals can withstand an ambush from a fully-grown anaconda. However, certain predators, like fully-grown crocodiles, could pose a significant threat.

Rivas' book, "Anaconda: The Secret Life of the World's Largest Snake," contains some interesting anecdotes about this. In one chapter, he describes a colleague who measured a full-grown anaconda at 18 ...

When Anna, a 10-foot, fully grown anaconda residing in Boston’s New England Aquarium gave birth to a trio of babies this winter, staffers there had to do a double snake — er, take. After all ...

At first glance, it really does appear that this snake is a "giant anaconda" swimming across a lake toward wooden barriers of at least six (or so) feet tall, and that it attempts to eat a full ...