North American Birds

VOLUME 68 NO4 2015

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/605532

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V O L U M E 6 8 ( 2 0 1 5 ) • N U M B E R 4 509 I o wa & m I s s o u r I They are increasingly diffcult to fnd in Iowa, with one to 3 birds noted in only six counties (m.ob.). Iowa's White-eyed Vireos were in Jef- ferson, Lee, and Van Buren in the se. corner of the state. Away from n. Missouri, where it is widely distributed with as many as 10 at Whetstone Creek C.A., Callaway 16 Jun (KA), Bell's Vireos are uncommon, with up to 3 found in six coun- ties in the se. quarter of Missouri (m.ob.). Six Black-billed Magpies were found 9 Jul at their usual site in Plymouth, IA (GV). WRENS THROUGH OLD WORLD SPARROWS High counts of Sedge Wrens in early Jun were 22 in Palo Alto 4 Jun and 21 in Clay 13 Jun (MSIM), both in n. Iowa. Late Jul counts includ- ed 23 singing at Squaw Creek 30 Jul (MR) and 20 in Washington in se. Iowa 31 Jul (Walt Wag- ner-Hecht). Marsh Wrens were found in seven Missouri counties, including late Jul reports of one at R.M.B.S. 26 Jul (CM), one at Eagle Bluffs 28 Jul (AK), and 32 at Squaw Creek 30 Jul (MR). Up to 5 Marsh Wrens were found in Boone and Johnson near their usual s. limits in Missouri (AK, D&VC). One or 2 Bewick's Wrens were reported from 18 sites in 10 Missouri counties (m.ob.), all s. of the Missouri River and the most reported in several years. Iowa's only Bewick's Wrens were 2 at the state's longtime site in Lee 16 Jul (SJD). Late migrant warblers included a Black- and-white Warbler in Emmet 10 Jun (MSIM), a Blackburnian Warbler in Webster 1 Jun (SJD), and a Blackpoll Warbler at Ames, Story 2 Jun (WO), all in Iowa, and a Chestnut-sided War- bler at Prairie Garden Trust, Callaway, MO 5-8 Jun (†Henry Domke). One or 2 Ovenbirds in Adair, Clarke, Clinton, and Holt were in n. Mis- souri, far from their traditional stronghold in the Ozarks (BC, Laurie Shawver, MB, DW). Iowa's only Worm-eating Warbler was one at Shimek S.F., Lee 16 Jul (SJD). Swainson's Warbler reports were one in Mark Twain N.F., Oregon 4 Jun (Lee Western) and one or 2 at Blue Spring, Shan- non 8-14 Jun (S&DeM, JU), both in Missouri's Ozarks. Single singing male Hooded Warblers Jun (SJD) were late migrants. Evidence of nest- ing by Black Terns was noted at Eagle Lake (SJD) and in Clay (LS). Two Common Terns barely sneaked into the Region 25 Jun at the Clinton spoil islands (SJD). Southbound Forster's Terns in Missouri included 33 at Stockton Lake 27 Jul (E&GSa) and 30 at Longview Lake 30 Jul (KD). There were more reports of Black-billed Cuck- oo than in recent years: 14 reports came from Iowa, mostly singles, from nine counties (m.ob.) and three reports of singles from Missouri (AK, MB, BR). Single Greater Roadrunners were found at Roaring River S.P., Barry 6 Jul (JC), at Wells Hollow, Ozark 20 Jul (Bob & Ellen Fullen), and at Springfeld, Greene 31 Jul (CB) in sw. Missouri. Barn Owls continued to be scarce in both states. Missouri reports included fedged young in Cape Girardeau and Jackson, active nests in St. Clair and Vernon, and one bird in Johnson (AG, Larry Rizzo, BJ, m.ob.). Barn Owls were reported in nine Iowa counties, but the only nest was in De- catur (BE). Iowa's only Chuck-will's-widow was one at its usual site in Fremont 10 Jun (R&PA). Two Yellow-bellied Sapsuckers were found at two sites in Allamakee (MP, MSIM), and a brood was found at Decorah, Winneshiek (Gene Dale, fde Dennis Carter), both in ne. Iowa. Peregrine Falcons had fairly good years in both states. In Missouri, four nests in the Kansas City area pro- duced 13 young (Joe Debold), and 10 successful nests in Iowa produced 30 young (PS). Later migrants included single Olive-sided Flycatchers at Eagle Lake, Phelps, MO 3 Jun (Jer- ry Decker) and in Osceola, IA 5 Jun (SJD), single Yellow-bellied Flycatchers in St. Louis, MO 2 Jun (J&CM) and in Hardin, IA 5 Jun (MP), and 2 Al- der Flycatchers in Boone, MO 2 Jun (John Bess- er), one at Eagle Bluffs 5 Jun (KA), and 4 in Sac, IA 11 Jun (MSIM). A southbound Olive-sided Flycatcher was early 28 Jul in Boone, IA (LD). A nesting pair of Willow Flycatchers in Dade, MO 26 Jun (JC) was far south. A Least Flycatcher noted both 4 Jun and 4 Jul was at the same site in Wright, IA where one was found in 2012 and 2013 (SJD). One at Eagle Bluffs 26 Jul (MR, JU, m.ob.) was an early migrant. Western Kingbirds continue to move eastward in both states, with reports of nesting activity in urban areas includ- ing Columbia, Jefferson City, and St. Louis, MO and Des Moines, IA (m.ob.). Scissor-tailed Flycatchers continued their movement into se. Missouri, with a nest found in Cape Girardeau (AG) and singles in Butler, Dunklin (two sites), and New Madrid (TJ, MH). A Scissor-tailed Fly- catcher was n. of Council Bluffs, Pottawattamie 19 Jul (Sam Manning, fde Luther Haige), the ffth summer in six years the species has been found in Iowa. One or 2 Loggerhead Shrikes were found in 14 Missouri counties, mostly in w. Missouri and 12 of them s. of the Missouri River (m.ob.). Hawkeye, Johnson (JFo) and singles in Franklin and Hancock (SJD). Iowa's only large groups of southbound shorebirds were 145 Least Sand- pipers in Howard 18 Jul (PHe), and 36 Semipal- mated Plovers, 14 Upland Sandpipers, 33 Stilt Sandpipers, 45 Buff-breasted Sandpipers, 285 Pectoral Sandpipers, and 208 Semipalmated Sandpipers at Frazer's Bend 30 Jul (SJD). Other late Jul shorebirds included Iowa's third sum- mer-season Ruff in Palo Alto 26 Jul (†LAS) and a Red-necked Phalarope in Winneshiek 30 Jul (LR). Southbound shorebirds in Missouri included up to 6 American Golden-Plovers in St. Charles 30- 31 Jul (D&MAM, PL), 16 Semipalmated Plovers in St. Charles 31 Jul (PL), 30 Greater Yellowlegs, 50 Lesser Yellowlegs, and 141 Pectoral Sandpip- ers in St. Charles 26 Jul (J&CM), 3 Baird's Sand- pipers at Squaw Creek 18 Jul (PHa, Gary John- son), 74 Least Sandpipers at McFall, Dunklin 14 Jul (TJ) and 75 at E.B.C.A. 20 Jul (BJ), and one Buff-breasted Sandpiper at Squaw Creek 28 Jul (DW), 5 at Four Rivers 31 Jul (BJ), and 11 at Hedeman Lake, Dade 31 Jul (S&DeM et al.). A very early Short-billed Dowitcher was at Persh- ing 3 Jul (SK). GULLS THROUGH MAGPIES In Iowa, single Bonaparte's Gulls were at Hawk- eye 28 Jul (JFo) and in Cerro Gordo 29 Jul (PHe), and an ad. Laughing Gull was at Saylorville 1 Jun (†JB). Late northbound Franklin's Gulls in- cluded 2 in Johnson, MO 4 Jun (Larry Oplin), 47 at Big Wall Lake 3 Jun (SJD), and 725 at Spirit Lake 4 Jun (SJD). Southbound birds were 124 in Clay, IA 29 Jul (LAS) and one at Smithville Lake 17 Jul, growing to 6 there by 31 Jul (BS, DW). Nests at the Region's only Ring-billed Gull colony at Spirit Lake were wiped out by a 1 Jun hail storm (Jaime Vassar, fde SJD). At Smithville Lake, southbound Ring-billed Gulls increased from a few in early Jul to 120 on 30 Jul (Carol Cobb, DW). Iowa had fve reports of one or 2 Herring Gulls (R&PA, SJD, David Shealer), more than usual, including 2 at Clinton spoil islands 25 Jun (SJD). Five Least Terns were found 16 Jul at their usual nesting site in Pottawattamie, IA (Dennis Thompson). More surprising were 12 ads. 9 Jul and two nests 30 Jul in Mills (MSIM, SJD), plus four nests and a brood 30 Jul at Frazer's Bend (SJD). The birds were nesting on sand depos- ited by the food of 2011. Most of Missouri's Least Terns were found along the Mississippi River, with 100 birds and 33 nests with eggs on Tiptonville Bar, New Madrid 9 Jul (Scott Somer- shoe). Up to 20 ads. were at R.M.B.S. through- out the summer (m.ob.). Iowa's fve Caspian Tern reports included 8 at Frazer's Bend 21 Jul (MSIM, m.ob.), and the most among Missouri's four reports was 5 at Smithville Lake 14 Jul (DW). The 230 Black Terns at Spirit Lake on 4 This nesting Least Tern was found 30 July 2014 at Frazer's Bend Wildlife Area, Fremont County, Iowa. The bird was nesting on sand deposited by the massive 2011 food that inundated vast regions along the Missouri River. Photograph by Stephen J. Dinsmore.

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