It’s just another mint patch, right? Except for that big leaf on the left–a leaf with six legs and antennae. This must be a praying mantis.
Then it nonchalantly bites its fingernails, or maybe cleans them. But these hands look more like Venus fly traps.
Then it goes back to what it was doing: snacking on blue-bottle flies.
First the wind-up. It leans way back, putting its weight on the back legs. This is exactly what you do in karate before throwing a punch or a kick: put about two-thirds of your weight on the back foot. Then it telegraphs its move as the front feet move slowly forward. Finally the pounce–with both front paws. I have a great video of this that doesn’t show too much gore and will put it up as soon as I’m at a server that allows streaming content. [The video is now here.]
These next few photos have a large ewww factor. If you’re at all squeamish about flies, you might want to skip to the end.