One guess would be a Silver haired Bat. They are solitary and, at least some, winter in the Northwest and come out on warmer days to forage. I had an experience many years ago here in Bellingham, where a pugnatious-acting bat flew between me and the person I was talking to, on a trail in a nature area. It was near dusk. Later I read up on local bats, and concluded that it was probably a Silver-haired.

Phil Hotlen
Bellingham, WA
-----------------------
----- Original Message -----
From: "Stefan Schlick" <greenfant at hotmail.com>
To: "TWEETERS TWEETERS" <tweeters at u.washington.edu>
Sent: Monday, February 14, 2011 9:45:03 PM
Subject: [Tweeters] RFI: Winter active bats in WA state

While I don't really have anything interesting to report birdwise from yesterday's afternoon hike at Swale Canyon in the Klickitat Valley (2 singing Canyon Wrens and a leucistic Golden-crowned Sparrow with a white necklace was about it), we were surprised to see a bat forage in a wooded section along Horseshoe Bend Rd about 2.5mi uphill from 142 near Wahkiacus, Klickitat Co. This was at an elevation of about 1200ft.

Does anybody know what kind of bat that could have been?

Stefan Schlick
Hillsboro, OR

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