Allen's and Anna's Hummingbirds fighting over a prime perch. The Allen's hummingbirds are a little smaller than the Anna's Hummingbirds but make up for it by being extra feisty!
Allen's hummingbird rushing off to chase another hummingbird, while defending it's perch.
Allen's hummingbird chasing an Anna's hummingbird.
Anna's hummingbird defending itself from the little Allen's hummingbird (see the talons up above).