Red-Winged Blackbird Swarm

The other day at the Ellis Creek Water Recycling facility and park in Petaluma, CA we saw these swarming birds and someone said they were red-winged blackbirds
http://en.wikipedia.org/wiki/Red-winged_Blackbird

Watch the whole thing, even though it is long. It is better than fireworks.


I had never seen anything like that before. Red-winged blackbirds are very common across the US.