Originally Posted by Enema

There are some tricky snakes out there...

I once caught a snake that had just swallowed a meal, was an obvious lump in it's gut... so I put it inside a bird-cage until I could find somewhere to move it.

I went and had lunch and came back to find that the snake had regurgitated it's lunch (a bird) so that it was thin enough to squeeze through the bars of the bird cage and escape.