"She's still doing it; I'll just wander up under this parked car"
"Looks like she's driving off now; I'll go over the other side here"
I can hardly believe that Plover was eating those grass-heads; I rather think it was another decoy moment. According to Birds in Backyards they feed on insects and their larvae, also earthworms. You can also listen to the Plover's alarm-call MP3, found on this same link.
Linking to The Pine River Review