Just to follow up on this report. As most birders know, the interior west White-breasted Nuthatches (Sitta carolinensis lagunae group) are vocally and genetically (but only subtly morphologically) distinct from the Pacific Coast aculeata group. Although "Interior" birds have been documented in adjacent counties (Kern, Ventura), there are no documented records for Los Angeles County. Probably 100+ birders have gone to Brookside Park to see the flashy Painted Redstart, but an interior White-breasted Nuthatch would be a much more significant record. I suppose you could even say it is rarer than a Red-flanked Bluetail (which, after all, had one previous county record). So I urge folks to check this out and to be prepared to record vocalizations with their cell phones (or recording equipment if available).
Kimball L. Garrett Ornithology Collections Manager Natural History Museum of Los Angeles County 900 Exposition Blvd. Los Angeles, CA 90007 USA 213-763-3368 <kgarrett...>
On Wed, Jan 30, 2019 at 6:06 PM rogerschoedl via Groups.Io <rogerschoedl= <aol.com...> wrote:
> I went on my lunchtime walk through Brookside Park in Pasadena today. > > The wintering PAINTED REDSTART continues in the dead Coulter pine at the > top of the slope east of the Aquatic Center. > > Also noteworthy was a White-breasted Nuthatch calling "yididididid" > sounded very like an interior west (tenuissima) type to me. It was working > the euc next to the vine covered bandstand and the oaks to the east. It > called only intermittently but was much more audible than a Pacific > (aculeata) type calling upslope to the east. A second aculeata was in the > pine with the redstart. I previously only heard aculeata types in the park > on walks this season so this nuthatch seems to be a new arrival. Local > birders who find this of interest may want to obtain recordings. > > Roger Schoedl > Huntington Beach > > >
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