North American Birds

VOLUME 70 NO1 2017

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/936087

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N O R T H A M E R I C A N B I R D S 122 S O U T H E R N C A L I F O R N I A las R. Willick (Orange), Jay Withgott, Michael Woodruff, Roger Woodruff, Thomas E. Wurst - er, Callyn D. Yorke, Roger H. Zachary, Jerry T. Zatorski. Many additional observers who could not be individually acknowledged submitted reports—all have our thanks. n –––––––––––––––––––––––––––––––––––––– Guy McCaskie, 954 Grove Avenue, Imperial Beach, California 91932 • guymcc@pacbell.net Kimball L. Garrett, Natural History Museum of Los Angeles County, 900 Exposition Boulevard, Los Angeles, California 90007 • kgarrett@nhm.org Scott (R&KS), Adam J. Searcy (Ventura), W. David Shuford, Carol Shulmistras (CSh), Pete Siminski, Eric Smith, Maggie L. Smith, Con - nie Spenger (CSp), Kimberlee Staff, Justyn T. Stahl (San Clemente Island), Susan L. Steele, John C. Sterling, Stephanie H. Stewart, Jer - emiah Stock, Sarah Stratton, Brian L. Sullivan, Steven D. Summers, Julie Szabo, Robert Theri - ault, Luke Tiller, Eric Tipton, Steve Tucker, Bill Tweit, Steven Umland, Wim van Dam, David Vander Pluym, Matt Victoria, Kathleen Wal - dron, Christina Warren, Len S. Warren, Doug- T. Patton, Jim Pawlicki, David Pereksta (DPe), Donald Pendleton (DoP), Kaaren L. Perry, Cruz Phillips, James E. Pike, Dave Povey (DPo), Devon L. Pryor, Pam Quittmyer, Hugh P. Ran - son, Jim Roberts (JRob), Robin Roberts, Peter Robertshaw, Jim Roe (JRoe), Kerry Ross, Jim S. Royer, Lisa Ruby, Christopher Rustay, Matt Sadowski (MSa), Michael J. San Miguel, Flor - ence Sanchez, Larry Sansone (LSa), Ross Schae- fer, Mark Scheel (MSc), Larry Schmahl (LSc), Scottie Schmidt, Alan F. Schmierer, N. John Schmitt, Peter T. Schneekloth, Rick and Karen were on the Vizcaíno Peninsula at Rancho San José de Castro 14 Oct (ph. SNGH, RAE, RAH), 35-40 Swainson's Hawks were in the Mexicali Valley near Ejido Durango 12 Nov (ph. ES), and a Ferruginous Hawk was at the Guerrero Negro saltworks 31 Oct (GM). Shorebirds once again received weak cover- age and unusual reports were accordingly few: 4 Pacific Golden-Plovers at Villa Jesús María 13-15 Oct and 1 at Bahía Asunción 14 Oct (ph. RAH, ph. SNGH, RAE), 2 Pacific Golden-Plovers at Bahía Juncalito, south of Nopoló 19 Nov (TH), Ruff at Lagunas de Chametla 27 Oct––16 Nov (ph. JV et al.); few Solitary, Baird's, and Pectoral Sandpip- ers; and Semipalmated Sandpiper at Lagu- nas de Chametla 7 Oct (GM et al.). The only standout was Mexico's long-anticipated first record of Sharp-tailed Sandpiper, involving a juvenile at Bahía de San Quintín 16 Oct (ph. SNGH, ph. RAE, ph. RAH). Seabirds rarely reported in the Region in - cluded 1-3 South Polar Skuas and a Long- tailed Jaeger southwest of Islas Coronado 24 Sep (ph. MSt), a South Polar Skua south of Cabo San Lucas 11 Nov (BUK), a Common Murre off Ensenada 29 Nov (ph. SNGH et al.), and Arctic Terns at Estero Punta Banda 26 Sep (ph. BCS) , as well as far southeast of Canada Goose at Ensenada 27 Nov (EDZH, ph. KMP, ph. MAMD et al.). Also at Ensena- da (Presa Emilio López Zamora) was the season's only Wood Duck 29 Oct (EDZH, ph. MAMD et al.). High in the Sierra San Pedro Mártir, 5 Pacific Loons were ground- ed during a snowstorm at Vallecitos on 15 Nov (Huitzil 18: 11-15). Late nesting Least Grebes were at Santiago, where an adult at- tended 2 fledglings 16 Nov (ph. RAE). A dark morph Kermadec Petrel was south of Cabo San Lucas at 22 09 63 N, 108 36 36 W on 9 Oct (†RST, LB). The only previous Regional record was from near Ensenada 5 Dec 2014. Other seabirds at the northern edges of their Pacific coast ranges included a Magnificent Frigatebird and a Blue-footed Booby at Bahía de San Quintín 23 Oct (JV), Blue-footed Boobies at Islas Coronado 7 Nov (ph. MS et al.) and west of La Misión 25 Aug (BS), 4 Masked Boobies between Pta. Euge- nia and Pta. Abreojos 8-27 Oct (RST, SNGH, VAP), and a Nazca Booby southwest of Islas Coronado 24 Sep (ph. MSt). Nine American White Pelicans and 2 Brown Pelicans were at Presa Emilio López Zamora 27 Nov (EDZH, ph. KMP et al.). White pelicans are rare in the Ensenada area and Brown Pelicans are unusual away from the immediate coast. American Bittern reports are always welcome; two came from Baja Califor- nia Sur this season: Estero San José 15 Oct (BF) and Laguna Guerrero Negro 30 Oct (ph. VAP). Notable Buteo observations in the Cape District included a Red-shoul - dered Hawk at Santiago 16 Nov (RAE), 8 Broad-winged Hawks (incl. 1 dark morph) at Miraflores 15 Nov (GM, †RAE), and 26 Swainson's Hawks mov- ing south over San Antonio de la Sierra 21 Nov (GM et al.). To the north, a Red- shouldered and a Broad-winged Hawk Richard A. Erickson Roberto Carmona Gorgonio Ruiz-Campos –––––––––––––––––––––––––––––––––––––– A utumn is the season for rarities, and the bird of this season was Mexico's first Sharp-tailed Sandpiper. Other rarities included a Kermadec Petrel, Groove- billed Ani, and Gray Catbird in Baja Cali- fornia Sur and Nazca Booby, Broad-billed Hummingbird, and Philadelphia Vireos in Baja California. Eastern warblers and most other traditional passerine vagrants were poorly represented, but ground birds were an exception, especially when Sprague's Pip - it was photo-documented for the first time. GEESE THROUGH TERNS Eleven Snow Geese near Islas Coronado 7 Nov (ph. MS et al.) were unexpected so far out to sea. Not surprising in their general absence anymore, the only white-cheecked geese were 2 Aleutian Cackling Geese at Cabo San Lucas 18-21 Nov (ph. ME) and a Baja California Peninsula This Nazca Booby southwest of Islas Coronado 24 September 2015 represents one of few Baja California records. Photo by © Mark Stratton.

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