North American Birds

VOLUME 69 NO3 2016

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/778845

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V O L U M E 6 9 ( 2 0 1 6 ) • N U M B E R S 3 / 4 451 I D A H O & W E S T E R N M O N TA N A gion in June. The last few days of the month and first few days of July were particularly tor - rid, with record-high temperatures set from Helena, Montana to the Idaho panhandle and down to Boise, Idaho. In comparison, July fea - tured rather average temperatures, and precipi- tation was surprisingly above average in most of the Region. Despite the vagaries of weather, breeding success was considered to be quite good, with drier late spring and early summer seasons contributing to overall high brood success. For most birders, the season will be best remem - bered for the incredible numbers of vagrants that came through, especially in Idaho. Excit - ing reports included two first state records for Idaho and a third state record for Montana. WATERFOWL THROUGH FINCHES A tardy Snow Goose discovered near Helena, MT 8 Jul (ph. ST) added to only about five summer records in the Region. Cattle Egrets rarely stray to sw. Idaho, so one near Marsing 1 Jun (CHu) was noteworthy. The only reported Black-bellied Plover stopped in Flathead, MT 20 Jul (CH), where the species is unexpected before fall migration. Because White-rumped Sandpiper is among the Region's least reported shorebirds, it was amazing that 2 were docu - mented in Idaho in one season: one in Jefferson 2 Jun (JRu) and another in Valley 13 Jul (ph. AL) will likely provide the Gem State's third and fourth accepted records. A highlight of the sea - son was an imm. Laughing Gull identified in Owyhee 14-18 Jul (ph., †JC) that will represent Idaho's first confirmed record. A Least Tern was documented with the Laughing Gull in Owyhee 14 Jul (ph. BA, MS), representing Idaho's third accepted record and the first in 17 years. A Band-tailed Pigeon that strayed to Mos - cow 9 Jun (ph., †KD) was Idaho's eighth and only the second record for n. Idaho. Both states reported vagrant White-winged Doves: one at Blackfoot 16 Jun (RS) provided Idaho's tenth record, and another in Flathead 12 Jul (CH, BR) was about the eighth for w. Montana. Alder Fly - catcher, not annual in w. Montana, was docu- mented at Glacier N.P., Glacier, MT 1 Jul (ph. EH). A Least Flycatcher at Boise 1-3 Jun (LA) was notable, as there are few precedents in sw. Idaho. Representing a second record for Idaho was a Black Phoebe at Mann Lake 11 Jul (†RJ). The Eastern Phoebe discovered in Flathead, MT 15 May was last reported 2 Jun (JR). Blue-gray Gnatcatchers, rare in sw. Montana, had a good showing: one was documented in Jefferson 17 Jun and a nesting pair was discovered near Cardwell 1 Jun–10 Jul (TF). Although nesting was not verified, a pair of Western Bluebirds near Bozeman, MT 13 Jun (CF) provided a first record of both genders observed together dur - Mar (SD), Jefferson 21-25 May (SB, DC), and near Boise, ID 27 May (JB). A Brown Thrasher in Jefferson 25 May (SB, DC) added to only 10 previously verified Idaho reports. A Chestnut- collared Longspur at Coolin 20 May (ph., †RB) made Idaho's fourth record. Noteworthy warbler reports included a Northern Water - thrush at Mountain Home, ID 17 May (ph. CL), a Black-and-white Warbler at Camas N.W.R. 22 May (DC), a Northern Parula near Belgrade, MT 13 May (BB), a Magnolia Warbler at Camas N.W.R. 22 May (CH), and a Black- throated Gray Warbler at Carey, ID 25 May (ph. CL). A Black-throated Green Warbler at Bozeman 8-9 May (ph. MK, JP) furnished about the fourth record for w. Montana. Sev - eral weeks early was a Chipping Sparrow at Camas N.W.R. 10 Apr (SB, DC). Single Clay- colored Sparrows, not annual in Idaho, were seen in Shoshone 21 Apr (ph., †LH) and near Sandpoint 25 May (†RDC). A Golden-crowned Sparrow near Missoula, MT 10 Apr (ph. RH) garnered the Treasure State's eighteenth record. Reports of Rose-breasted Grosbeaks were un - usually few, with singles near Bozeman, MT 13 May (NK) and at Inkom, ID 18 May (BM). Contributors (subregional editors in bold- face): Ellie and Larry Akins (E&LA), Larry Ar- nold, R. Baltierra (RBa), John Battalio, Robert Bond, Byron Butler, Steve Butterworth, Del Cameron (DCn), Kathleen Cameron, Jay Car - lisle, Keith Carlson, Dan Casey (DCy), Dar- ren Clark, Susan Daugherty, Mary Deasy, Rich Del Carlo, Roger Doucet, Matt Dresser, Fred Erland, Dave and Elise Faike, Vic Fesolowitz, Sheri Foote, Terry Gray, Andrew Guttenberg, John Hanna, Lisa Hardy, Roger Hogen, Craig Hohenberger, Cheryl Huizinga (CHu), Matt Keefer, Bob Kemp, Nate Kohler, Carl Lund - berg, Bob Martinka, Rob Miller, Bill Moore, Robert Mortensen (RMo), Peter Nelson, Lau - rie Norberg, Dan Olson, John Parker, Eric Rasmussen, Bob Rost, Forrest Rowland, Mary Rumple, Jethro Runco, J. Michael Scott, An - drea Stierle, Shirley Sturts, Gary Swant, Charles Swift, Jason Talbot, Richard Trebbien, Chuck Trost, Heidi Ware, Zeke Watkins, Pat Weber, Cliff Weisse, Poo Wright-Pulliam, Fred Zeillemaker. –––––––––––––––––––––––––––––––––––––– SUMMER –––––––––––––––––––––––––––––––––––––– T hough the expectation is for hot sum- mers in the Region, the summer of 2015 was surely one for the record books. An early summer heat wave brought record warmth and unusually dry weather to the Re - Two Dunlins at Cottonwood Reservoir, MT 25 May (FR) represented at first record for Lati - long 29. Another first for Latilong 29 was a Stilt Sandpiper at Cottonwood Reservoir, MT 25 May (FR). The only reported Short-billed Dowitcher was documented at Idaho's Camas N.W.R. 23 May (SB, CHu, PW). A Little Gull discovered in Jefferson 27- 31 May (JR) represents Idaho's ninth record. Franklin's Gulls that wandered to Mann Lake and Moscow, ID 16 May (MD, JMS) were noteworthy. The tally of rare larids was unusu - ally high, and they included 3 Mew Gulls, 4 Thayer's Gulls, and single Lesser Black-backed and Glaucous Gulls. If accepted, a report of 2 Arctic Terns at Island Park 20 May (CW) will make only the second verified record for Ida - ho. Forster's Terns are not annual in n. Idaho, so one at Deary 9 May (CS), 2 in Latah 16 May (TG), and 6 in Bonner 25 May (RDC) made an exceptional total for one season. Band-tailed Pigeon is not annual in the Region, making re - ports of singles at Garden Valley, ID 8 May (ph. SF) and in Gem, ID 18-22 May (ph. FZ) un - usual. Anna's Hummingbirds made an excel- lent showing, with reports from Coeur d'Alene, ID 21 Apr–7 May (DCn), Flathead, MT 7 May (CH), and Missoula, MT 1-16 Mar (LN). The bird of the season was an Acorn Woodpecker in Bonneville, ID 6-7 May (RM) that represent - ed a first record for Idaho and the Region. A reported Red-bellied Woodpecker at Eureka, MT 26 Mar (PN) was almost certainly the same bird discovered there last Oct. Three Blue Jays in Idaho represented an unusually high spring season tally. Record numbers of Eastern Phoe - bes came through, including singles at Boze- man 5-8 Apr (E&LA), in Jefferson, ID 12 Apr (ph. JR), in Flathead, MT 15-31 May (BR, CH), and near Inkom, ID 21-23 May (LA). A Yellow-throated Vireo in Blaine 23-25 May (HW) provided the third record for Idaho and was the first reported in a decade. It was an excellent year for rare Northern Mocking - birds in Idaho, with sightings from Elmore 19 A group of intrepid birders had discovered a Least Tern, in itself an amazingly rare find, at Idaho's C. J. Strike Reservoir 14 July 2015. An even bigger surprise that day was this immature Laughing Gull, a first record for the Gem State. It remained at the reservoir through 18 (here 14) July. Photograph by Stoddard Davenport.

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