[Tweeters] single sex (and juvenile) flock of Purple Finches - typical?

Denis DeSilvis avnacrs4birds at outlook.com
Sun Oct 13 09:40:40 PDT 2013

Aren't Purple Finches a 2-years-to-maturity species? I know I have PUFI here that I originally thought were singing females, but found they were immature males. I usually have small flocks of them around here, and some that look as if they're single-sex flocks, but aren't.

May all your birds be identified,
Denis DeSilvis
Avnacrs4birds at outlook.com

Sent from my Windows Phone
From: Stewart Wechsler<mailto:ecostewart at gmail.com>
Sent: ‎10/‎13/‎2013 7:44 AM
To: tweeters at u.washington.edu<mailto:tweeters at u.washington.edu>
Subject: [Tweeters] single sex (and juvenile) flock of Purple Finches - typical?

I was noting a flock of maybe 8 Purple Finches at Lincoln Park (Seattle),
perching on more stable branches and jumping up to eat the berries of Pink
Honeysuckle - Lonicera hispidula (the flexible honeysuckle vines wouldn't
have held their weight well) . All were either female or juvenile. I was
hoping to show a couple of friends with me a male. Does anyone know if
such single sex groups at this time of year are common?

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