ML264476571

Age

Not specified

Sex

Not specified

Observation details

Seen briefly and thankfully Dave was able to get on it immediately and get two virtually identical photos of it before it disappeared. First state record. While we didn’t hear it call to confirm it was Arctic and conclusively eliminate Japanese vs Kamchatka Leaf Warblers, there is a high probability that it is an Arctic given that there are no Lower 48 records for Kamchatka Leaf Warbler and no North American records of Japanese. Having seen many Arctic Warblers in Alaska over the years and birded in Europe, China, Taiwan and Malaysia I have throughly studied this species complex. I told Dave upon seeing it that it was an Arctic Warbler. Obviously a Phylloscopus that was dull olive green above, dark eyeline with a pale bold supercilium that flared upwards at the rear. It had one visible dull secondary wingbar typical of Arctic. Underparts white. Given we saw it so briefly the rest of the details will have to come from the photos.

Technical information

Model

Canon EOS 7D

Lens

EF100-400mm f/4.5-5.6L IS USM

ISO

2500

Focal length

400 mm

Flash

Flash did not fire

f-stop

f/6.3

Shutter speed

1/1250 sec

Dimensions

2556 pixels x 1865 pixels

Original file size

1.19 MB