I found it amazing. Almost unbelievable. BUT..............see here.
Appears also to be a molting (immature?) Anna's killing an adult.
https://www.youtube.com/watch?v=m2MSlJEZrj0
Bob OBrien Portland

On Fri, May 6, 2022 at 5:48 PM Steve Giles <giles.steve at hotmail.com> wrote:


> Hello all,

>

> This morning I witnessed a male Anna's hummingbird impaling another male

> Anna's with its beak until it died.

>

> At about 9 AM I looked out at our feeders and on one of them I saw what

> looked like an Anna's perched on top of something dark and horizontal in

> the channel of the feeder. The perched bird seemed to be stabbing whatever

> it was on with its bill. I looked through my bins and saw that it was

> another hummingbird laying on the feeder being repeatedly stabbed by the

> bird on top of it. Next I slowly walked out to the feeder and got to within

> 18 inches of the activity and had close views of one male Anna's

> vigorously impaling another around the head and throat. The attacker was so

> consumed by its efforts that it only spooked when I got within a foot of

> the scene. This all happened in about fifteen minutes. Finally the prone

> bird tumbled off the feeder onto the ground. I later collected it and will

> take it to the Burke Museum.

>

> Has anyone else seen Anna's aggressive behavior rise to this deadly level?

>

> Steve Giles

>

> Camano Island

>

>

>

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