[Flycatcher]

The tail is too long for starlings. They're almost certainly Brewer's blackbirds.

I say "almost" because sometimes rusty blackbirds flock in winter (as do Brewer's).

However, rusty blackbirds are somewhat rare and prefer swampy areas in winter. Brewer's congregate in huge numbers in open areas.

[patlin]

I agree, definitely not startlings and more than likely blackbirds.

Up here in SD, we get invaded by the migration every spring and they are noisy, annoying & leave a disgusting mess everywhere. They dive bomb the dogs as well as us when we walk across the yard as the grain bin is between our house & the shop so I keep a rolled up newspaper on the deck and bang it against the deck cover post(sounds like a gun shot) to scare them off to the next door neighbors grove(1/4 mile away).