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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N O R T H A M E R I C A N B I R D S 230 N O R T H E R N C A L I F O R N I A Coldren (Humboldt and Del Norte), Chris Conard (Sacramento), Hugh Cotter, Rudy C. Darling (Nevada), Jeff N. Davis (Made- ra), Malia DeFelice, Bruce E. Deuel (n. C.V. counties), Scott Dietrich, Colin P. Dilling- ham (Plumas and Sierra), Cedric Duhalde, Jon L. Dunn, Pete Dunten, Todd Easterla, Elias, Andrew Engilis, Gil C. Ewing, Dane Fagundes, Paul Fenwick, Brian Fitch, Tim Fitzer, Rob Fowler (RbF; Humboldt and Del Norte), Rick Fournier, James H. Gain, Steve Gerow (Santa Cruz), Don Glasco, Lois Gold- frank, Laurie Graham, Steve C. Hampton, Rob Hansen, Lauren Harter, John H. Harris (Stanislaus), Floyd Hayes, Chris Hayward, Bill Hill, Alfred Hochstaedter, Jim Holmes, Alan S. Hopkins, John E. Hunter (Trinity), Logan Kahle (Contra Costa and San Fran- cisco), Robert J. Keiffer (Mendocino), Clay Kempf, Larry Kent, Dan Kopp, Mark Ku- drav, Tony Kurz, Robin L. C. Leong (Sola- no), Gary S. Lester, Nick Levendosky, Calvin Lou, John S. Luther, Michael J. Mammoser, Blake T. Matheson, Kevin McKereghan, Pe- ter J. Metropulos (San Mateo), Dan J. Max- well (Marin), Dominik Mosur (San Francis- co), Dan P. Murphy, Roger Muskat, Kristie N. Nelson (Mono), Frances Oliver (San Joa- quin), Ed Pandolfino (Placer), Debby Park- er, Jim Parker, Janna Pauser, Ryan Phillips, Linda Pittman, Jeff Poklen, Gary W. Potter (Fresno), Robert C. Power (Alameda), Har- old M. Reeve, Robert J. Richmond, Alex M. Rinkert, Don Roberson (Monterey), Michael M. Rogers, Carole Rose, Stephen C. Rot- tenborn, James Rowoth, Ruth A. Rudesill (Sonoma), Salvatore Salerno, Paul Saraceni, Ken Schneider, Cooper Scollan, Michelle Scott, Jeff Seay (Kings), Debra L. Shearwa- ter, Mark Stacy, John C. Sterling (Modoc, Alpine, Calaveras, and Yolo), Tim Steurer (El Dorado and Amador), David Styer, Brian L. Sullivan, Steven D. Summers (Tulare), Michele Swartout, Ryan Terrill, Ronald S. Thorn, Jim Tietz (F.I.), Dorothy Tobkin, John Trochet, Steve Tucker, Steve Umland (Tuolumne), David Vander Pluym, Chuck E. Vaughn, Kent Van Vuren (Merced), Jerry R. White (Lake), Gary Woods, Dave Wood- ward, David G. Yee, Bob & Carol Yutzy (Shasta). n –––––––––––––––––––––––––––––––––––––– Jeff N. Davis, 11238 N. Via Trevisio Way, Fresno, California 93730 • jdavis@colibri-ecology.com Ed Pandolfino, 1328 49th Street, Sacramento, California 95819 • erpfromca@aol.com Michael M. Rogers, 499 Novato Avenue, Sunnyvale, California 94086 • m.m.rogers@comcast.net Stephen C. Rottenborn, 983 University Avenue, Building D, Los Gatos, California 95032 • srottenborn@harveyecology.com m.ob.). The Le Conte's Sparrow at Abbotts Lagoon, Marin 5 Dec–14 Feb (Rich Cimino, m.ob.) was likely the same bird found there last winter. Reports of Swamp Sparrows have been more numerous in recent years. This winter's total of 24, while above the long- term average, was the lowest total in the past six years. Three of 6 Harris's Sparrows (a typical total) were in Humboldt. It was a good winter for Piranga, with 9 Summer Tanagers providing a total more than twice the average and 26 Western Tana- gers also representing an unusually high tally. The Rose-breasted Grosbeak found in fall at McKinleyville, Humboldt continued to 10 Feb (m.ob.), and a female was found at the Guadalupe Creek Trail, Santa Clara 6 Feb (Geary Ridings). Of 12 Black-headed Grosbeaks (more than twice the average), 10 were in Santa Cruz, an unprecedented total for that county. The ad. male Blue Grosbeak along the Calaveras R., San Joaquin 16 Dec– 21 Feb (Nancy Ballot, JRow, m.ob.) was al- most certainly a returnee from last winter. A Painted Bunting was east of Chittenden, San Benito, 8-11 Jan (DLSh. ph. Nelson Samu- els, m.ob.). Surprisingly, this was the third consecutive winter with no Indigo Buntings reported, while a Painted Bunting occurred in two of those years. The Rusty Blackbird at ne. Stockton 14 Feb (ph. DGY) was San Joaquin's third, a total which may account for more than one-third of all C.V. records. S.F. produced 8 of the Region's 12 Orchard Orioles, three times the long-term average, though roughly consistent with recent num- bers. A Hooded Oriole at Visalia 3-28 Jan (ph. RH) was Tulare's first in winter, while the male at Almaden Valley, Santa Clara 29 Feb (JPa) was likely an early migrant. Twen- ty-three Bullock's Orioles provided the Re- gion's highest winter total since 1994-1995. The widespread irruption of Red Crossbills, first noted in fall, continued well into winter with nearly every county in the Region re- porting large numbers. As with the fall birds, all those documented by call were Type 3s, which breed primarily along the north - west coast of North America from Oregon through British Columbia. Contributors (county sub-regional edi- tors in boldface): Many more observers are not specifically cited; all are appreciated. Ken Able (Lassen), Roger Adamson, David P. Arsenault, Ralph Baker, Alan D. Barron, Bruce Barrett, Leonie Batkin, Murray Ber- ner (Napa), Tim D. Bray, William G. Bous- man (Santa Clara), Tim D. Bray, Lucas Brug, Eric R. Caine, Scott Carey, Rita Carratello, George E. Chaniot, Peter B. Colasanti, Daryl Longspurs this season (34 of 37). The re- maining three included one at Abbotts La- goon, Marin 19 Dec–1 Jan (Brian Browne, Mark Dettling) and 2 along Paskenta Rd., Te- hama 4-8 Jan (MSw, BED). A Chestnut-col- lared Longspur was at Crowley Lake, Mono 20-21 Dec (JLD, m.ob.), and the season's only Snow Bunting was a male at MacKer- richer S.P., Mendocino 1-3 Dec (DT, ph. RJK, et al.). Seven Northern Waterthrushes were all in coastal or Bay Area counties, as were all but 2 of 11 Black-and-white Warblers, the exceptions being one at Lodi Lake N.A., San Joaquin 22 Nov–30 Dec (DGY, m.ob.) and a fall holdover to 16 Dec at Clear Lake S.P. (Brad Barnwell). A Lucy's Warbler at Loleta 6-24 Dec (Anna Thaler-Peterson, m.ob.) provided Humboldt its seventh record. A to- tal of 9 Nashville Warblers was well below average and the first time the Region saw less than 20 since winter 2009-2010. A well-de- scribed Virginia's Warbler visited a backyard suet feeder at Watsonville, Santa Cruz 30 Nov–1 Dec (†Howard Stephenson). MacGil- livray's Warblers are among our least com- mon overwintering western warblers, mak- ing the bird at C.R.P. 29 Nov–16 Jan (JTr) noteworthy. The only Northern Parula lin- gered from fall at Laguna Grande, Monterey to 6 Dec (RF, ph. BHi, et al.). A Blackburnian Warbler at the Pilarcitos Creek mouth, San Mateo 1 Jan (MDeF, CHy) could have been the same bird found there last winter. Four Yellow Warblers, 13 Palm Warblers, 3 Her- mit Warblers, and 4 Wilson's Warblers all represented totals well below recent averag- es, marking this as a relatively poor warbler winter overall. SPARROWS THROUGH BLACKBIRDS A Green-tailed Towhee at the University of California Santa Cruz farm, Santa Cruz 18 Dec–4 Jan (Jeff Bleam, m.ob.) was likely the same bird that wintered there the pre- vious year. An American Tree Sparrow was at Modoc N.W.R., Modoc 29 Dec (ph. KMcK), where the species is nearly annual. Less expected was the American Tree Spar- row at Fish Slough, Mono 29 Dec+ (Susan Steele, m.ob.). Chipping Sparrows put in a good showing along the coast, with over 30 birds in Mendocino, Santa Clara, and Santa Cruz. Clay-colored Sparrows included 2 at El Granada, San Mateo 5 Dec (D. Pomeroy) and singles at Ferndale Bottoms, Humboldt 12-13 Dec (ph. RbF, George Ziminsky) and along Permanente Creek, Santa Clara 20 Jan (AMR). The Black-chinned Spar- row first found at Babel Slough, Yolo in fall stayed through the period (ph. Mark Sawyer,

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