chestnut-backed chickadee
grrlscientist | November 10, 2009tags: Chestnut-backed Chickadee, Poecile rufescens, birds, mystery bird, bird ID quiz
[Mystery bird] Chestnut-backed Chickadee, Poecile rufescens, photographed at San Rafael, California. [I will identify this bird for you in 48 hours]
Image: Joseph Kennedy, 25 December 2007 [larger view].
Nikon D200, Kowa 883 telescope with TSN-PZ camera eyepiece 1/320s f/8.0 at 1000.0mm iso400.
Please name at least one field mark that supports your identification.
Review all mystery birds to date.
grrlscientist | April 17, 2009tags: Chestnut-backed Chickadee, Poecile rufescens, birds, mystery bird, bird ID quiz
[Mystery bird] Chestnut-backed Chickadee, Poecile rufescens, Photographed near a small Olympic Peninsula lake in Shelton, Washington State. [I will identify this bird for you tomorrow]
Image: Lee Rentz, 19 February 2009.
Please name at least one field mark that supports your identification.
Review all mystery birds to date.