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.

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V O L U M E 6 8 ( 2 0 1 5 ) • N U M B E R 4 539 ArizonA Tanque Verde Wash 3 Jun (B. Nicholas), and at least 1500 were found roosting together at a pond near San Manuel 21 & 23 Jun (P. Kramer et al.); little is known about this recently discov- ered phenomenon in s. Arizona. A Violet-green Swallow was at Cibola N.W.R. 29 Jun (LHa, EH); there are few summer records in the low- lands away from breeding montane areas in the state. Individual Tree and Bank Swallows were detected at the n. end of Lake Havasu 29 Jun (DVP), on the early side for both species to be migrating through the L.C.R.V. A White-breasted Nuthatch was at an unusu- ally low elevation at Agua Caliente Park, Tucson 20-27 Jul (MMS, MP). Similarly, A House Wren was singing at Cibola N.W.R. 29 Jun–22 Jul (v.r. LHa, EH), where considered accidental during summer. A Marsh Wren was found singing at Watson Lake near Prescott 7 Jul, where it is not known to nest locally. Elsewhere, one was heard at Sierra Vista S.T.P. 29 Jul–1 Aug (J. Swelstead, H. Fisher), which fts the recent pattern of in- dividuals showing up in se. Arizona as early as late Jul. Black-capped Gnatcatchers continued during the summer at all the usual locations in se. Arizona; of interest was one in Guadalupe Canyon 26 Jul (ph. C. Rustay, N. Hetrick), where seldom reported. Late Swainson's Thrushes were widely reported in s. Arizona during Jun, with singles in E. Whitetail Canyon 10 Jun (RT), along the San Pedro River 15 Jun (A. & A. Miller), and at Phoenix 26 Jun (T. Gatz). The status of Swainson's Thrush in n. Arizona is more com- plicated, given the possibility of breeding in the mountains; one on the San Francisco Peaks 24 Jun (CL) could be a late migrant or a rare nesting individual. A Hermit Thrush at Rimmy Jim Tank n. of Flagstaff 12 Jun (CL, JWl) was very late for a migrant anywhere in the state. A Rufous-backed Robin in Madera Canyon 3-6 Jul (P. Saloman, J. Mueller) was of interest, as this species is casual at best in the state during summer. American Robins were found at a few lowland locations at Lake Havasu City and the Phoenix area during the summer, where this species has inexplicably bred in the past. Four Gray Catbirds were report- ed during the summer away from breeding areas in the White Mountains, most notably one at Bill Williams River N.W.R. 11 Jun (EH, T. Hyde). A Curve-billed Thrasher at Lake Havasu City 11 Jun (DVP) was considered casual at best there. WARBLERS THROUGH FINCHES At least 5 Ovenbirds were reported during Jun, an above-average number for a single season. A Northern Waterthrush at Rimmy Jim Tank 12 Jun (CL, JWl) was very late for a "spring" mi- grant. A singing Black-and-white Warbler was at Prescott 3 Jun (C. Tomoff), and another was in Madera Canyon 4 Jul–1 Aug (HD). A Kentucky Warbler, casual in the state during summer, was slope Flycatchers were reported from Pintail Slough, Havasu N.W.R. 19 Jun (DVP, and at Bill Williams River N.W.R. 25 Jun (ML); this species is typically found in small numbers into early Jun. Buff-breasted Flycatchers were found in the Pinaleño Mountains for the frst time, near Twi- light Campground 7 Jun (W. Jaremko-Wright), another sign of range expansion by this species that follows forest fres. Nutting's Flycatchers were detected at three different locations on the Bill Williams River N.W.R. during the summer, perhaps represented by as many as 6 individu- als (†DVP, †EH, †ML). At least for now, there appears to be no fewer than two pairs of Nut- ting's Flycatchers along the Bill Williams River, with additional potential breeding adding to this "growing" small population. A Sulphur- bellied Flycatcher in Bear Canyon, Santa Cata- lina Mountains 13-15 Jun (JY, MMS) was n. of usual breeding areas in se. Arizona. One in Pine Creek Canyon near Pine 27 Jul (B. Ison) was in the same location where one occurred in both 2012 and 2013. Thick-billed Kingbirds were seen at a number of extralimital locations in se. Arizona during late Jun and Jul (m.ob.), indicat- ing a late summer movement of this species into Arizona; most notably a nest with 3 young was found at Portal 29 Jul+ (RAR). The only East- ern Kingbird found during the summer was one at San Bernardino N.W.R. 23-27 Jul (M. Ali). A Scissor-tailed Flycatcher was at Bill Williams River N.W.R. 28 Jul (ph. J. Swackhammer; ML); this species remains a casual visitor to Arizona. A pair of Hutton's Vireos was sw. of Show Low 3 Jun (ph. AS); this species is only casually re- ported above the Mogollon Rim in n. Arizona. Elsewhere, a scattering of reports persisted on the Bill Williams River N.W.R. through Jun and Jul (DVP, EH), where Hutton's Vireos are casu- al at best during summer. A Warbling Vireo at 'Ahakhav 5 Jul (LHa), and 2 there 17 Jul (EH), were at an odd lowland location for early to mid- Jul. Red-eyed Vireo is still considered casual in the state but also has been found with more regu- larity in recent years; this summer, the one found during May upstream from Cameron along the Little Colorado River was seen again 12 Jun (†CL, JWl), one was in Florida Canyon 28 Jun (ph., †LH), one was at 'Ahakhav 5 Jul (ph. EH; †LHa), one was in Cave Canyon, Santa Rita Mountains 21 Jul (KK), and one was in Madera Canyon 29 Jul (LH). Yellow-green Vireo is much scarcer in the state, with about 12 accepted records in to- tal, therefore one reported from Havasu N.W.R. 9 Jul (v.r., †DVP), and another at Tucson 12 Jul (v.r., †MP; †LH) were of great interest. Virtually all Arizona records are from summer. A group of 9 Clark's Nutcrackers were found lingering from the winter near Barfoot Junction, Chiricahua Mountains 9 Jun (JY). A large roost of at least 120 Purple Martins was found along comprised a male at E. Whitetail Canyon, Chir- icahua Mountains 14-21 Jun (RT), one in lower Florida Canyon 30 Jun (E. Fazio) and one at Portal 9 Jul+ (REW, RAR). Allen's Hummingbirds were detected in small numbers, with 7 reported during the period 1-20 Jul (m.ob.), all in se. Ari- zona. Extralimital Broad-billed Hummingbirds were single males at Jacobson Canyon, Pinaleño Mountains 2 Jun (JCo) and Camp Verde 29 Jul+ (ph. H. Kliendienst). The only Berylline Hum- mingbird found was at Ramsey Canyon Preserve 22-26 Jun (ph. S. Lima; CVC). White-eared Hummingbirds visited three mountain ranges. A male continued in Miller Canyon through 22 Jun (T. Beatty), a male was n. to Marshall Gulch, Santa Catalina Mountains 26 Jun (ph. R. Rack- liffe), a female was at Santa Rita Lodge 3-12 Jul (DS; ph. LH), and a male was at Miller Canyon again 28 Jul+ (T. Beatty). Elegant Trogon rarely wanders from breeding areas, but one was at Empire Gulch, Las Cienegas N.C.A. 29 Jun (C. Cathers), and another was in lower Florida Can- yon 17 Jul (R. Higbee, M. Higbee). Single Belted Kingfshers were early migrants in the lowlands at Boyce Thompson Arboretum 6 Jul (A. Leight) and Gilbert Water Ranch 27 Jul (J. Witzeman, L. Nessel). A Ladder-backed Woodpecker along Jumpup Point Rd. 11 Jul (DS) may have been the frst from e. of Kanab Creek on the Arizona Strip. FLYCATCHERS THROUGH THRASHERS Very early Olive-sided Flycatchers were reported from Las Cienegas N.C.A. 17 Jul (P. Saloman, J. Mueller), and near Portal also 17 Jul (N. Arthur); early Aug is more typical for the frst passage mi- grants to be detected in Arizona. A Greater Pe- wee at Pine 21 Jun (J. Estis), and another (or the same individual) nearby at Pine Creek Canyon 27 Jul (B. Ison), were n. of the normal breed- ing range for this species in Arizona. Another in California Gulch 1 Jun (LH) was at an unusu- ally low elevation for the species on this date. At least four nests of Willow Flycatcher were found along the L.C.R.V during the summer of 2014 (fde DVP); the breeding subspecies in Arizona is still considered threatened. Very late Pacifc- This Elegant Tern found at Reid Park, Tucson 4-7 (here 6) June represented the second individual found in Arizona in 2014 and only about the fourteenth documented record overall for the state. Photograph by Lois Manowitz.

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