[obol] Jack's falcon

  • From: Lars Per Norgren <larspernorgren@xxxxxxxxx>
  • To: obol@xxxxxxxxxxxxx
  • Date: Sun, 22 Nov 2015 16:59:24 -0800

We often don't have the luxury of detail present in the third photo.
Fog, distance, back lighting so often frustrate these rare raptor moments. This
bird shows very pointy wings. I believe a Gyr has obviously rounded wingtips
relative to a Peregrine with P9, the second primary from the front, being
clearly longer than P10, the very front one. In a Peregrine P9 and P10 are
about the same length. Also the Peregrine has a much shorter tail. When
perched, the folded primaries end at the falcon's tail tip. A Gyrfalcon has a
tail that is much longer than the folded primaries. In fact all the native
Oregon falcons except Peregrine have tail extesion, and the Peregrine's flight
silhouette is sawed-off compared to the others. Lars

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