Roadrunner Food?

That’s what I wondered as I rounded the corner of my house this evening and saw a Roadrunner in front of a Desert Milkweed where I had spotted 6 Queen caterpillars this morning. There were only two left! Darn 🙁 I then wondered if that might have been what happened to the Chrysalis recently and to the other two caterpillars. Note to self….make some kind of screen to go over the plants as soon as I spot the caterpillars or I might never get to document the process. (shot handheld with my Canon 180 Macro)