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Staring at a chimney: Chapman Vaux’s Swifts 2009

September 24, 2009 by Dave 5 Comments

crowdchimney

Tuesday night we made what has now become an annual pilgrimage to Chapman Elementary School in NW Portland to witness the spectacle of thousands of tiny birds swirling and diving and peppering the sky before shooting into a giant chimney on top of the school as the sun sets.

Several of our friends, all Vaux’s Swifts virgins, joined us. As the crowd gathered on the south lawn we speculated on why the heck these birds would choose a chimney for their roost (according to the Audubon Society of Portland they’ve been roosting at Chapman since the late 80s), and whether or not they were a native species, and whether or not we were being pooped on as the birds swarmed overhead.

When I got home I googled the shit out of the Vaux’s Swifts and found some answers.

  • Vaux’s Swifts used to roost in the hollows of huge dead old growth trees, but as we all know there are far fewer of these than there used to be. Chimneys work pretty well. [Source]
  • Vaux’s Swifts are a native species, unique to western North America. [Source]
  • Since Vaux’s Swifts forage, drink, court, collect nesting materials and copulate all in flight, I’m assuming they also poop in flight. [Source]

The Portland Audubon Society‘s Swift Watch is a good place to start learning about the swifts. And the Vaux’s Happening site has more information about the swifts throughout the Northwest.

As the swifts gathered and swirled, a small falcon arrived to cull the herd. He perched atop the chimney all innocently.

hawkandpepper

Last year we also saw a couple falcons, but I don’t recall them having any luck on our watch. This year, however, we saw at least one swift swooped upon and snagged. Impressive, but thoroughly booed by the crowd!

Eventually, and surprisingly suddenly, the birds collectively decide it’s time to enter the chimney. They form a huge swirling, shifting vortex above the chimney and start diving in.

swirlingswifts

Here’s a video, filmed by Heather!

Vaux Swifts 2009 from Mile73 on Vimeo.

Considering their numbers, the denouement doesn’t take very long. The crowd gathers up blankets and departs. We were treated to a lovely sunset over the West Hills as we prepared to leave.

beautifulsunset

If you haven’t yet seen the swifts this year, you probably have another week or so before they head further south. Bring a blanket to spread out on the ground, or one of those short-legged concert chairs. We’ll be back next year!

All photos courtesy (and copyright) of Heather – thanks!

Filed Under: Cheap, Nature, Portland

Comments

  1. s3k says

    September 24, 2009 at 7:59 am

    Before selecting the chimney at Chapman, they used to use my family’s chimney in our house about a mile and half away up in the west hills. At that time the Chimney at Chapman was still used and we didn’t use our chimney.

    They started when the house was empty before my parents bought the house, and continued for several years after we moved in. We would occasionally find one in the wood stove that was attached to the chimney…

  2. Dave says

    September 24, 2009 at 8:10 am

    s3k – Wow, that’s a brush with fame 😉

    Your chimney wasn’t large enough for 10s of thousands though, was it?

  3. Meredith says

    September 24, 2009 at 8:20 am

    I love how innocent the activities are in Portland! It’s refreshing, and people bring food, and blankets to witness this!

  4. Dave says

    September 24, 2009 at 8:40 am

    Meredith – Yeah, bird watching is disgustingly wholesome, but there are plenty of not so innocent things to do in Portland too!

  5. s3k says

    September 24, 2009 at 5:02 pm

    No it couldn’t hold 10s of thousands, but it did hold thousands of them. It was a large (for a house) chimney that was probably over 40 feet tall. There are a lot more now than what I remember as a kid.

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