Date: 6/16/26 1:22 pm
From: Kersti Muul via Tweeters <tweeters...>
Subject: Re: [Tweeters] territorial Rufous hummers
I have had multiple similar experiences with *Anna's on Anna's *aggression
- both male and female, fledgling on adult, adult on fledgling and
nestling, as well as adult *Rufous on Anna's *aggression.

-Anna's males attacking Anna's nestlings and grounded fledglings.

-Rufous females attacking adult Anna's in Anna's nesting territory.

-Anna's juvenile male attacking his own mother, taking her to the ground,
pinning her to ground via toe claw in her eye and repeatedly stabbing her
in the chest, resulting in puncture wound.


-Adult Anna's female went in for antibiotics after retrieved from cat
mouth, gone from her territory for 3 hours. Came back and another female
had already attempted to claim. She attacked other female immediately after
her release, knocking her to the ground. She weakly flew back up and
perched on a branch. The interloper began a vicious aerial assault beating
her with her beak for several minutes. She ultimately hung upside down and
went into torpor - the assault continued. I thought she was a goner. Next
morning she was outside the bedroom window alive and well. The same cat got
the interloper and was not so lucky. Irony.

*Hummingbirds spend a lot of time on the ground when fighting, and
cats/predators notice - a prime opportunity to catch the otherwise evasive
birds. FYI*

-K

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