North American Birds

VOLUME 70 NO2 2018

A Quarterly Journal of Ornithological Record Published by the American Birding Association. The mission of the journal is to provide a complete overview of the changing panorama of our continent’s birdlife.

Issue link: http://nab.aba.org/i/1028840

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V O L U M E 7 0 ( 2 0 1 8 ) • N U M B E R 2 233 S O U T H E R N C A L I F O R N I A slope. The returning Thick-billed Kingbird at San Dimas, Los Angeles was not reported after 8 Jan (AW), but the one at Chula Vista, San Diego remained to 31 Mar (MaC). Scissor- tailed Flycatchers first found during the fall remained at San Elijo Lagoon, San Diego to 17 Jan (RTP, SB) and at Santa Monica, Los Angeles to 6 Mar (KW); others were at National City, San Diego 1-5 Dec (SR) and Vandenberg Vil - lage, Santa Barbara 20-27 Jan (TM). VIREOS THROUGH WOOD-WARBLERS A Bell's Vireo of the subspecies pusillus at Huntington Beach, Orange 23 Dec–2 Jan (WP, RS) was probably a returning bird that was missed in winter 2014-2015; a brighter bird (subspecies arizonae or possibly even medius/ bellii) was at N.E.S.S. 20-23 Jan (RMcK). "Solitary" vireo ratios were as expected in the south coast of the Region this winter, with 31 Plumbeous and 13 Cassin's reported in Los Angeles, Orange and San Diego; a Plumbeous was at Brawley, Imperial 21 Dec (PEL) and a Blue-headed Vireo at Bonsall, San Diego 27 Dec (PAG) was thought to be the same bird seen there 6 Nov. Exceptionally late, and the first ever for the Salton Sink was a Philadel - phia Vireo near Calipatria, Imperial 15 Dec (CAM). A Warbling Vireo at Santa Barbara that continued from 11 Nov to 2 Jan (HPR) had returned for its third winter. A female Purple Martin at Mecca, River - side 24 Feb (RMcK) was very early and in the Salton Sink, where casual. A Juniper Tit - mouse at a Big Pine, Inyo yard 5 Dec (T&JH) was well away from typical arid conifer breeding habitat. Small numbers of Pygmy Nuthatches appeared away from native mon - tane and north coastal pine woodlands, with up to 12 in coastal Santa Barbara 10 Dec–4 Feb, singles in lowland Los Angeles at West Los Angeles 3 Jan and Hansen Dam 11 Jan (KLG), and one at Victorville, San Bernardi - no 26 Dec (SD). Above-average numbers of Red-breasted Nuthatches were found in the coastal counties and s. Mojave Desert region. A Winter Wren was along San Luis Creek at San Luis Bay Dr., San Luis Obispo 8 Dec–9 Feb (TK). A pair of California Gnatcatchers at Banning Pass near Cabazon, Riverside 14 Jan (JFGr) was near the desert edge of the spe - cies' range. Up to 6 Mountain Bluebirds at Harmony, San Luis Obispo 11 Jan–22 Feb (BJG) were the only ones found on the immediate coast. A Townsend's Solitaire, casual on the Santa Barbara coast, was at Vandenberg Village 12 Feb (KH). The only Gray Catbird was at Lake - wood, Los Angeles 5 Dec–23 Feb (JBr, AN). In addition to long-staying birds at Starlite, Inyo and Black Meadow Landing, San Bernardino, a Curve-billed Thrasher was at Bard, Imperial 21 Dec–23 Jan (PEL, KG). Sprague's Pipits continued at Fort Mohave, San Bernardino, with 2 remaining to 17 Jan and one to 12 Feb (AEK); 2 were near Calipatria 13 Feb (RA). Wintering longspurs were restricted to interior valleys and desert agricultural ar - eas. Lapland Longspur reports included one in the Cuyama Valley, San Luis Obispo 10 Jan (WHK); up to 2 at Fort Mohave to 17 Jan (DVP, TEW); one at Helendale, San Ber - nardino 28 Feb (RF); one at Calipatria 28 Jan (DC). The only Chestnut-collared Longspurs reported were up to 35 at the Carrizo Plain, San Luis Obispo 16-21 Feb (WHK). Two Mc - Cown's Longspurs were at the Carrizo Plain 2 Dec–4 Jan (WHK), 2 continued from late fall at Fort Mohave to 24 Jan (m.ob.), and up to 7 were on the coastal slope at Perris, Riverside 6-16 Dec (JSz). The 7 Northern Waterthrushes during the period were all in coastal areas from P.M.N.A.S. south to San Diego. Black-and- white Warblers wintered in above-average numbers, with a record-high 10 in Santa Barbara, 11 in Los Angeles, and 21 in San Diego; augmenting these were 13 others on the coast plus 2 at Cucamonga-Guasti R.P., San Bernardino 8-21 Jan (JSci) and 14 Jan–24 Feb (HBK), along with one in Riverside 4-28 Dec (DR). Tennessee Warblers were at Solana Beach, San Diego 23-29 Dec (PAG) and La Jolla, San Diego 22-31 Jan (DH). A sordida Orange- crowned Warbler at Los Osos, San Luis Obispo 18 Dec (SBT) illustrates that many individuals of this Channel Islands subspecies disperse northward in fall and winter. The only Mac - Gillivray's Warbler reported during the period was at San Diego 12 Dec (PU). Only 4 Ameri - can Redstarts were reported from coastal ar- eas, including one at Santa Catalina I. 13 Feb (DR) and one at West Long Beach, Los Angeles 9-13 Mar (RB) that had likely wintered lo - cally; 3 were at N.E.S.S. 2 Jan (AEM, EACa). Five Northern Parulas included birds at Mor - ro Bay 9 Dec (WHK); Legg Lake in El Monte, Los Angeles 12-23 Dec (M&JS); Laguna Ni - guel R. P., Orange 31 Dec–4 Mar (RJB); Riv- erside 17 Feb–5 Mar (NT); and Mecca 2 Jan (SJM). Other rare, winter Setophaga included a Magnolia Warbler at Vista, San Diego 27 Dec (C&FR); a Chestnut-sided Warbler at Coro - nado, San Diego 22 Nov–3 Dec (PEL); a Pine Warbler at Santa Fe Dam in Irwindale, Los Angeles 24 Dec–15 Feb (DB). Thirteen Palm Warblers were along the coast from Los An - geles south; the only ones north of there were at Cayucos, San Luis Obispo 8-9 Dec (DL) and Goleta 24 Dec–11 Jan, with 2 present after 2 Jan (NAL). A Grace's Warbler returned for its third winter at Goleta, Santa Barbara 18 Nov– 13 Feb (PTS); returning Black-throated Green Warblers at Greenwood Cemetery, San Diego continued from 16 Oct to 3 Apr (MSa) and at Chula Vista 1 Nov–13 Mar (PEL). Painted Redstarts included several found in fall that remained into winter, along with singles at e. Orange 20 Dec–26 Feb (DRW) and Lower Otay Lake, San Diego 21 Feb (KF). Yellow- breasted Chats, casual in winter, were at Del Mar, San Diego 29 Dec (EACo) and Hidden Valley in Norco, Riverside 20 Dec (SJM). SPARROWS THROUGH FINCHES Only 9 Clay-colored Sparrows were reported, including one east of Bakersfield, Kern 18 Jan–20 Feb (TAB). Grasshopper Sparrows are scarce, localized, and secretive in winter; at least 9 at three locations in San Luis Obispo during the period included one on the Car - rizo Plain 21 Feb (TME), while another was in odd urban habitat on the U.C.L.A. cam - pus, Los Angeles 21 Dec–8 May (RH). The Field Sparrow at Ojai, Ventura remained from 19 Nov to 18 Mar (JG, BiSh), and another A Barred Owl, the first known to reach Southern CA, is depicted at its most frequently used daytime roost at the Conservation Open Space Area in Bishop, Inyo County. This individual was first seen on 4 February (here 14 February) and remained for 8 weeks. Photo © Tom Heindel.

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