butter_butt
Soma Elle calls the feathered visitor a house_finch, but I know all too well that's no finch. It's a yellow rumped warbler. My favorite of the little birds that cohabitate alongside us because of his golden moniker — butter butt. 250403
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epitome of incomprehensibility This made me smile. You know you like a creature when you abut its name with a butt, like my cousin calling her dog Trixie-bum. Yellow-rumped butter butt.

Canada's David Bird supports your rebuttal of the other person's bird ID: A house finch isn't yellow-butted, but brownish-grey-backed with a blushing red front.
250403
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