The migration is continuing to pick up here at Kiptopeke. We have been seeing quite a few Broad-winged Hawk kettles this season, including some that contain up to 70 birds (which is considered a large amount for this site).
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| Broad-winged Hawk kettle by Steve Thornhill |
We noticed one juvenile broad-wing with an interesting tail pattern, which occurs in a low percentage of individuals. The bird's outer three tail feathers on each side have typical juvenile patterning, while the inner feathers have thicker bars like that of an adult. Notice that the breast is streaked rather than barred, showing that it is a first year bird.
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| by Mike Tove |
Here are some comparison sketches of a normal tail type (left) versus an adult-like tail (right) which I drew for a Golden Gate Raptor Observatory article a few years ago.
We have also been seeing many Ospreys, including a high count for the season of 365 individuals on 9/23. Local Ospreys have been busy fishing as well.
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| by Steve Thornhill |
Many visitors have been stopping by the platform to help count and to learn about the hawkwatch. Thank you to all for your sharp eyes and good company!
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| by Mark Hopkin |
Last Saturday, a banded American Kestrel passed over the platform! Unfortunately, the band is not readable, but perhaps the bird will be recaptured elsewhere along his journey. Thanks to Steve Thornhill, who noticed the band while going through his photos.
Here is another photo of the Wood Stork that passed by several days ago. The approaching cold front should bring in some more interesting birds, particularly on Friday. The past few days have been a bit slow due to strong winds, but we hope that things will pick up again soon!
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| by Mark Hopkin |
-Anna
