Two fishes a day keep the mantid coming back to prey: The first fishing praying mantis
(PHYSorg.com Biology)

Commonly known to predate on insects, praying mantises have occasionally been observed to feed on vertebrates, including small birds, lizards, frogs, newts, mice, snakes and turtles. Mostly, such records have either not been scientifically validated or have occurred under induced and human-manipulated circumstances.