A July 30 visit to Jacumba produced a totally unexpected JUVENILE Yellow-rumped Warbler. Unexpected both on this VERY early date and for a young bird in juvenile plumage to be away from the breeding grounds. The previous earliest records of fall migrants in the county are from the very end of August. Such migrants have typically completed their post-juvenile molt. Photos by Barbara Wise will appear in our eBird reports late today. (I do hear rumor of another, recent migrant early juvenile Yellow-rumped from coastal Baja on perhaps August 10.)
Also at Jacumba today was a family group of Harris's Hawks with three fully fledged juveniles. Proof of successful nesting there this year, the second time they have done so. (The Shelter Valley birds also nested this year, quite a bit earlier in the season.)
Otherwise, not too many migrants there today, with mostly Black-headed Grosbeaks, a few Western Tanagers, and a N. Yellow Warbler.
In other news, numbers of Cocos Boobies continue off Imperial Beach, and one or two are being seen almost daily from La Jolla.
--Paul Lehman, San Diego
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