But as strange as it sounds, there are a few creatures out there that actually have the physical ability to gulp down a human in one terrifying bite (or at least, in one drawn-out swallow). While rare ...

A 9-foot reticulated python is reportedly slithering through a British city, sparking a massive police search for the reptile.

The reticulated python, the longest living species of snake in the world, are constrictors, meaning they coil around their prey and squeeze them until they're dead in just a couple minutes.

Wasilewski said a 10- or 20-foot python also could pose a risk to an unwary human, especially a child. He added, however, "I don't think this is an imminent threat.