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.

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Page 195 of 211

N O R T H A M E R I C A N B I R D S 506 C E N T R A L A M E R I C A at El Valle de Antón, Coclé 20 Mar (ph. BS); another individual was at Valle Chiquito, Pan - amá Oeste (GAk) on the same date; and 2 males were at Juan Hombrón 21 Mar (VW). This is an impressive number of reports for a species that is still considered quite rare in Panama. Five House Sparrows 28 km se. of Bethel 4 May (ABL) established a new site record for this urban non-native that is either expanding its range in Petén or only recently being noticed. Five Tricolored Munias at Ateos 31 Mar (ph. JA) provided the seventh record for El Salvador and the first for La Libertad. Five more seen at Las Moras, near Alanje, Chiriquí 30 May (ph. MaR, ES) suggest that this species may now be colonizing Panama from Costa Rica. Two previ - ous records from the Canal Area were believed to represent escaped cage birds. Contributors (country coordinators in bold- face): Jeniffer Abrego, Carlos Aguilar (CAg), Gary Akin (GAk), Domiciano Alveo, Richard Anderson (RAn), George Angehr (Panama), Richard Aracil, Ruben Arevalo (RuA) David Rodríguez Arias, Claudia Avendaño, Craig Ben - nett (CrB), Carlos Bethancourt, Kelvin Bodden, Peter Boesman, Gailon Brehm, John Paul Ca - ingale-Thrush would appear to be plentiful in Honduras, it is nevertheless seldom reported. Therefore, a singing bird heard in Celaque N.P., Lempira in w. Honduras 14 Mar was a rare find (OK et al.). Providing only the second record for Belize, a Hermit Thrush was at Lamanai archaeological site, Orange Walk 15-16 May (ph. MO'B, LZ, ER, RuA et al.). THRASHERS THROUGH MUNIAS In Guatemala, a Tropical Mockingbird near Vista Hermosa, Petén, 28 km se. of Bethel, 4 May (ABL) provided a new site record. Al - though wintering in small numbers on the Honduran Bay Islands, Cape May Warbler is rarely reported from the Honduran mainland. A bird found 26 Mar in the sw. corner of Lake Yojoa, Santa Barbara delighted birders on a Wings tour (ph. WO et al.). A Canada Warbler at Birdseye View Lodge, Crooked Tree Wildlife Sanctuary 16 Apr (CF) provided a first record for one of the most heavily birded areas in Be - lize and one of the few for n. Belize. A Crimson-collared Tanager at 2000 m at Chelemhá, Alta Verapaz 10 May (CA) was at an atypically high elevation, and a female Swallow Tanager seen near La Valdeza de Capira, Pan - amá Oeste 9 Mar (ph. MO, CH) furnished the first record for Panama w. of the Canal Area. Unexpected was a Chipping Sparrow at Tikal, Petén 22 May (ph. ABL). A male and 3 female Painted Buntings were seen 16 Mar along Old Gamboa Rd. near Summit (ph. CB); a male was movements. At least one was present near Lake Yojoa, Cortés 8-9 May (ph. OK et al.), while at least 2, and likely several more, were observed 4, 5, & 9 May at Río Santiago Nature Resort (ph. JvD, JZ, KB). Like the preceding, Blue- tailed Hummingbird is a mostly Pacific-slope species that occasionally shows up on the At - lantic slope in Honduras. In Panama, an Ochraceous Pewee was seen along Los Quetzales Trail below Cerro Respin - go, Chiriquí 19 Mar (GA, EC). Providing only the second record from the Canal Area and the first since the mid-nineteenth Century, a White- throated Flycatcher was seen and responded to playback 7 Mar on Old Gamboa Rd. near Summit, Panamá (ph. EC). This bird may well have been a migrant from farther n. rather than a wanderer from the resident population of w. Panama. A late White-eyed Vireo, and one of the few for Nicaragua, was seen 28 May in dry forest in the Pacific lowlands near Hato Nuevo, Chinandega (ph. JvD, MM). The few previous re - cords have all been from the n. highlands. In Guatemala, Carolina Wren is thought to be restricted to and disjunctively distributed in Petén, but 2 near Pantin, Baja Verapaz 2 May (JPC) provided a new site record well s. of Petén. Although habitat for Spotted Night - Like many open-country species, Plain-breasted Ground-Dove may be expanding its range into formerly forested landscapes. There is some evidence that it has colonized formerly heavily forested southern Belize within the past fifty years, and it was recorded in nearby Honduras for the first time in 2003. Because it is still rarely reported in Honduras, this Plain-breasted Ground-Dove, one of three present at El Puente archaeological site near the Guatemalan border on 9 May 2015, was certainly noteworthy. Photograph by Francisco Dubon. With nine documented records from Belize, Long-billed Starthroat cannot be considered a vagrant. Yet no discernible seasonal pattern of occurrence has emerged, nor is there any evidence that it breeds in Belize. Like a number of other hum - mingbird species, Long-billed Starthroat may be an occasional visitor from nearby Guatemala seeking favored flowering plants farther afield when local flowering cycles are beyond their peak. This individual was found along the summit trail in Elijio Panti National Park on 10 May 2015. Photograph by Oscar Emmanuel Cisneros. SA Vireos residing in pine-oak forest in the n. highlands of Nicaragua near San Rafael del Norte, Jinotega have usually been reported as Blue-headed Vireo. Some observers have noted that their coloration was drabber than Blue-headed Vireos and some birds ex - hibited territorial behavior such as carrying nesting material, an indication that they are resi- dent. Encouraged by Komar, Liliana Chavarría-Duriaux and Georges Duriaux visited the site on 8 May and determined that the birds appear to be Plumbeous Vireos. On 8 Jun, GD took photographs and LCD made voice recordings of the birds at San Rafael del Norte, thus con - firming the presence in Nicaragua of this Central American representative of what has been tentatively classified as Vireo plumbeus, pending further study. Populations of this taxon in Central America are nearly as brightly plumaged as Cassin's Vireo and are notably smaller than typical Plumbeous found from Mexico northward, thus adding to the confusion. SA Several species in the region are well known for their reliance on the seeds of certain bamboo species that do not flower every year. Taking advantage of an especially good crop of seeds of a forest understory bamboo (Chusquea sp.) this spring in the highlands of w. Panama were several such bamboo specialists. Maroon-chested Ground-Doves, first reported 21 Feb (JW) in Volcán Baru N.P., Chiriquí, were heard and occasionally seen in the area until 9 May (GS). Slaty Finch was present in the same locations 6 Feb–17 Apr, with a maximum of 6 on 21 Feb (AR) and 2 Mar (HL, PB); nest-building was observed on the latter date (HL, PB). Up to 20 Peg-billed Finches were seen daily feeding on bamboo seeds from 18-22 Mar, including a male carrying nesting material 19 Mar (GA). Barred Parakeet, another species that takes advantage of the seeding bamboo crop, was present from 4 Feb–30 Apr, with a maximum of 30 present on 15 Mar (JAC) and 19 Mar (AM).

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