North American Birds

VOLUME 70 NO3-NO4 2019

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/1115839

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V O L U M E 7 0 ( 2 0 1 9 ) • N U M B E R S 3 / 4 359 C O LO R A D O & W YO M I N G through the end of June. First detected at this location in 2013, the species has returned ev - ery year since. It is very rare anywhere else in the state as only three other locations in the last 10 years have hosted the species. White-throated Swift, first detected in the se. county of Las Animas in 2013 (TF), was once again found in the county, adding two records northwest of Kim, Las Animas 5 Jun (DE) and 18 Jun (GW, MP). Very rare to the state, Ru - by-throated Hummingbird was found twice this summer: 1 adult male in Colorado City, Pueblo, 19 Jul (D. Silverman) and another adult male in Lamar, Prowers 24 Jul (JWT). Lewis's Woodpecker, rare in the Yampa Valley, had a report of two individuals, northwest of Steamboat Springs, Routt 6 Jul (TM). A review species for the state, there were as many as two Eastern Wood-Pewee at Tamarack Ranch S.W.A., Logan 3 Jun-12 Jul (NM, SGM, m.ob.). Good for the county of Routt, Black Phoebe was reported west of Oak Creek, Routt 1 Jun (TM). In the county of Garfield, another pair appeared to be nesting as well; these birds were first reported at River Valley Ranch in Carbondale, Garfield 8 July (M. Harris). One in Boulder, Boulder 12 Jun (A. Yappert) was east and north of its typi - cal breeding range. Could this species pos- sibly be expanding its breeding range? Cas- sin's Kingbird totals in eBird were higher than usual with up to 185 in the week beginning 15 Jul. One at 10,000 feet elevation near Cot - tonwood Pass, Gunnison 5 Jun (J. Beason) was of interest. Very are in the northwest corner of the state, one at Bitterbrush S.W.A. near Maybell, Moffat 13 Jun (J. and B. Riggle) was also of interest. A rare find for Colorado, a Scissor-tailed Flycatcher was seen south of Rush, Lincoln 3-26 Jul (L. Modesitt, ph. M. Chavez, m.ob.) and photographed on a nest. Both Colorado Breeding Atlas projects have just a few scattered records of the species, pri - marily in southeastern Colorado, at the fringe of its breeding range (Wickersham, 2016). Other reports came in from Salida, Chaffee 3 Jun (J. Wilson), Battlement Mesa, Garfield ap - prox. 9 Jun (B. Bailey), near Lamar, Prowers 23 Jun (J. Stulp), and the farthest north for season, from northeast of Briggsdale, Weld 10 Jul (ph. J. Maw). Far from its typical range in the northeast, a Bell's Vireo was documented at Valco Ponds S.W.A., Pueblo 19 Jun (ph. R. Hinds). Other reports from Logan, Sedgwick, and Yuma 3 Jun- 23 Jul were more typical. A Yellow-throated Vireo continued into the summer month of June after originally being discovered at Crow Valley CG, Weld 29 May-2 Jun (GW, SL, NL). First detected during the summer of 2012, Pacic Wren was documented with confirmed breeding evidence at Calypso Cascades in the Wild Basin area of Rocky Mountain N.P., Boulder 24 Jun-24 Jul (SGM, ph., vr. KMD, ph., vr. CN). Christian Nunes reported a total of four birds; a male singing and a female carrying food to two fledglings on 24 Jul. This marks a first breeding record for the state. Also rare to the state at any time of year is Carolina Wren; one was at Prewitt Res., Washington 23 Jul (W. Kaempfer) and another was found in Pueblo, Pueblo 24 Jul (R. Clawges). THRUSHES THROUGH DICKCISSEL An exceptionally rare Wood Thrush was found at Corwina Park, Jefferson 6 Jun (F. Farrell). Baird's Sparrows have always been speculated about during migration, but this species may now be setting up territory; up to 20 were found at Soapstone Prairie N.A., Larimer 15 Jun-6 Aug (NL, MM). Eastern Towhee is also exceptionally rare; one was photographed at Tamarack Ranch S.W.A. Lo - gan 5 Jun (ph. MC). Two reports of the rarely documented Eastern Meadowlark also made for very good records for the state: one was at Rocky Mountain Arsenal N.W.R., Adams 8-17 Jun (S. Rash, m.ob.) and one was at J.M.R., Bent 27 Jun (ph. SGM). Both were well docu - mented with photos and audio recordings. Typically found during migration, two different reports of Black-and-White War - bler were good: two at Castlewood Canyon S.P., Douglas 30 May-14 Jul (H. Kingery, GW, m.ob.) and one at Black Canyon of the Gunnison N.P., Montrose 22 Jun (B. An - drews). Other warblers of note were North- ern Parula, Magnolia Warbler, Chestnut- sided Warbler and Yellow-throated Warbler. Northern Parula had three reports: one at Castlewood Canyon S.P., Douglas 4-6 Jun (GW), one at Gateway N.A. Larimer 21 Jun (DW), and one at Gunnison, Gunnison 27 Jun (GW, SL). A single Magnolia War - bler was at Prewitt Res., Washington 18 Jul (SGM). A Chesnut-sided Warbler was seen in Fort Collins, Larimer 2 Jun (N. Komar, B. Nooner). A Yellow-throated Warbler was in Pueblo, Pueblo 3 Jul (V. Truan). Summer Tanager had a decent showing with reports coming in from Pueblo, Pueblo 2 Jun (R. Priddy), Fox Ranch, Yuma 20 Jun (SGM), Yellowjacket Canyon, Montezuma 26 Jun (GW, SL), and as many as two at Cot - tonwood Canyon, Las Animas/Baca 9-30 July (KMD et al.). Scarlet Tanager was also found in three locations: a male at Monte Vista N.W.R., Rio Grande 5 Jun (C. Setash), a female south of Saguache, Saguache 5 Jun (D. Flem - ming), and a male at Boulder Valley Ranch, Boulder 6 Jun (L. Latch). Up to three Painted Bunting were reported at Picture Canyon, Baca 5 May-24 Jul (m.ob.). Dickcissel had a banner year, with the species being found in 29 counties, often in large numbers. Dick - cissel was also reported further west and at higher elevations than usual. Initialed observers: Mark Chavez, Coen Dexter, David Dowell, Kathy Mihm Dunning, David Ely, Ted Floyd, Chris Gilbert, Nick Ko - mar, Steve Larson, Norm Lewis, Megan Mill- er, Steven G. Mlodinow, Nick Moore, Tresa Moulton, Brandon Nooner, Christian Nunes, Mark Peterson, Janeal W. Thompson. David Wade, Glenn Walbek, Brenda Wright. Acknowledgements: Many thanks to David Dowell for his central role in compiling sight - ings for the Colorado Birds journal. CITATIONS: Dowell, D. 2017. Colorado Birds Vol. 51 No. 1 Colo- rado Field Ornithologists Wickersham, L. 2016. The Second Colorado Breed - ing Bird Atlas. Colorado Bird Atlas Partnership and Colorado Division of Wildlife, Denver, Colorado . n –––––––––––––––––––––––––––––––––––––– Dean Shoup, 14546 E 13th Avenue Aurora, CO 80011 • deshoup723@gmail.com Far from its typical range in the northeast, a Bell's Vireo was documented at Valco Ponds S.W.A., Pueblo 19 Jun. Photo by © Robb Hinds Providing Colorado with its first confirmed breeding record, this Pacific Wren was found near Calypso Cascade in the Wild Basin Are of Rocky Mountain N.P., Boulder 24 Jun-24 Jul (here 24 Jul). In total, four birds were found, including a female feeding two begging juveniles. Photo by © Christian Nunes

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