Donna, I think that's a Sharp-shinned, with the outermost tail feather only slightly shorter than the central one. I would be very surprised at Cooper's feeding on something that small. Sharp-shinned prey is typically up to birds of around tanager size, less commonly to robin size, and rarely above that, although a few females have been seen with remarkably large prey. But small songbirds are the norm. Cooper's start out at around tanager size and go up into pigeons and quail. But interestingly in one study in Wisconsin during a very cold and snowy period, Cooper's were seen feeding largely on Pine Siskins, apparently the only birds common then.
Dennis Paulson
Seattle
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On Jan 24, 2022, at 11:17 AM, DONNA POOLE <poole9561 at msn.com> wrote:
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This is the hawk that snatches Pine Siskins from my feeder. I always thought it was a Coopers. Am I wrong?
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Donna L Poole
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From: Tweeters <tweeters-bounces at mailman11.u.washington.edu <mailto:tweeters-bounces at mailman11.u.washington.edu>> on behalf of Dennis Paulson <dennispaulson at comcast.net <mailto:dennispaulson at comcast.net>>
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Sent: Sunday, January 23, 2022 3:19 PM
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To: mary hrudkaj <mch1096 at hotmail.com <mailto:mch1096 at hotmail.com>>
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Cc: TWEETERS tweeters <tweeters at u.washington.edu <mailto:tweeters at u.washington.edu>>
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Subject: Re: [Tweeters] Sleeping Sisken
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Mary, are you sure that accipiter is a Sharp-shinned? Pigeons and doves are typical Cooper's Hawk fare, and Sharp-shinned are much more likely to feed on small songbirds.
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Dennis Paulson
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Seattle
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On Jan 23, 2022, at 3:08 PM, mary hrudkaj <mch1096 at hotmail.com <mailto:mch1096 at hotmail.com>> wrote:
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I've had a handful of pine siskens here all winter and they all seem just fine. The resident sharp-shinned hawk has taken its toll on the mourning dove and rock dove populations. I don't mind it thinning out the rock doves from the abandoned horse farm in the valley below but please leave the mourning doves alone Mr. or Ms. Sharp-shinned Hawk.
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Mary Hrudkaj
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Belfair/Tahuya
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From: THOMAS BENEDICT <benedict.t at comcast.net <mailto:benedict.t at comcast.net>>
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Sent: Sunday, January 23, 2022 12:12 PM
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To: mary hrudkaj <mch1096 at hotmail.com <mailto:mch1096 at hotmail.com>>; Tweeters Tweeters Bird Chat <tweeters at u.washington.edu <mailto:tweeters at u.washington.edu>>
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Subject: Re: [Tweeters] Sleeping Sisken
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I wonder if it was not healthy? I have only seen one Pine Siskin at our feeders so far this season, and it looked healthy. A few other's have reported sick Pine Siskins. Last year there was some official guidance around taking down feeders due to siskin disease. Is there any similar guidance yet this year?
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Tom Benedict
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Seahurst, WA
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On 01/23/2022 7:35 AM mary hrudkaj <mch1096 at hotmail.com <mailto:mch1096 at hotmail.com>> wrote:
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Just went out to put out the daily rations for the birds and deer that frequent my yard. I have two screens raised about an inch off the deck that I put sunflower seeds on. The screen system keeps the seed a bit drier this time of year. As I went to shake seed debris from one screen I found a small bundle of feathers that looked like a bird had died there. It had the markings of a pine sisken but I couldn't see the head as it was tucked under the feathers. As I touched it to throw the remains out into the brush where Mother Nature can take care of it, the bundle of feathers opened and out flew a little pine sisken. Why the sisken chose the open deck to spend the night I have no idea. But it was nice to know it was just sleeping. As it flew off it was full of strength and didn't seem ill so, hopefully, it will choose a better roosting spot tonight.
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Mary Hrudkaj
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Belfair/Tahuya
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