ListarInvestigación ambiental por tema "Aves ─ República Dominicana"
Mostrando ítems 61-80 de 134
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First nest record of the White-winged crossbill in Hispaniola
(1975)On 2 April 1971, while we were camping in southwestern Dominican Republic above El Aguacate in the Sierra de Baoruco (the eastern extension of the Massif de la Selle, the only known crossbill location in Haiti), one of us ... -
First observed roost site of Vervain Hummingbird (mellisuga minima)
(2012)An observation of a roost site of a male Vervain Hummingbird in the Dominican Republic on 7 November 2010 is the first for this species. The bird chose an entirely exposed position on a very thin twig, < 0.5 cm diameter, ... -
First record of a Mississippi Kite (Ictinia mississippiensis) in the Dominican Republic
(2014)Abstract: The Mississippi Kite (Ictinia mississippiensis) is a long distance migrant that breeds in North America and winters in South America. During fall and spring migration, they congregate in large flocks and follow ... -
First record of Kirtland’s Warbler from the Dominican Republic and additional bird observations
(1989)Non-systematic searches for Kirtland’s Warbler (Dendroica kirtlandii) were made in the Dominican Republic during 5-18 March 1985. Here we describe the first confirmed record of Kirtland’s Warbler from the Dominican Republic. ... -
First record of Turkey Vultures (Cathartes aura) nesting on Hispaniola
(2014)[English] This paper provides the first nesting record of Turkey Vultures on Hispaniola, a description of these four nests, and general information on three other previously unreported nests. -
First records of the Spotted Rail (Pardirallus Maculatus) on the Island of Hispaniola
(1980)On 17 April 1978, a bird watcher from San Francisco de Macorís brought a live rail to me for identification. He had purchased the individual from some boys who had captured it in a patch of grass in the center of a freshly ... -
First satellite tracks of the Endangered black-capped petrel
(2015)The black-capped petrel Pterodroma hasitata is an endangered seabird with fewer than 2000 breeding pairs restricted to a few breeding sites in Haiti and the Dominican Republic. To date, use areas at sea have been determined ... -
Food habits of the endemic ashy-faced owl (Tyto glaucops) and recently arrived barn owl (T. alba) in Hispaniola
(2010)The Ashy-faced Owl (Tyto glaucops) is endemic to Hispaniola, where the Barn Owl (T. alba) became established after ca. 1950. I examined 8322 vertebrate prey of the two species, using regurgitated pellets and prey remains ... -
Forest restoration in the Dominican Republic : how I got the birds to work for me
(2017)Birds’ ability to fly long distances and visit a variety of habitats in a relatively short period of time makes them great seed dispersers from the perspective of the plant, and these two groups have evolved a mutualism ... -
Great-tailed grackle (Quiscalus mexicanus) : a new species for Hispaniola
(2009)Abstract: We report on the occurrence of a new vagrant bird species for Hispaniola, and only the third record of this species in the West Indies. The Great-tailed Grackle (Quiscalus mexicanus) was identified by sight and ... -
Hispaniola's first Black Rail (Laterallus jamaicensis)
(1986)On December 30, 1984, F. Soriamo, an educator at the Zoological Park in Santo Domingo, brought to me a tiny live rail for identification. It had been caught by a campesino in a field under plow between Monte Plata and ... -
Hispaniolan Lizard-Cuckoo (Coccyzus longirostris) tethered by common green snake (Uromacer catesbyi)
(2006)Abstract: Entanglement of birds by snakes is rarely reported. On 15 July 1998, a Hispaniolan Lizard-Cuckoo (Coccyzus longirostris) was encountered tethered to a small sapling by common green snake ... -
Historical decline and probable extinction of the Jamaican Golden Swallow Tachycineta euchrysea euchrysea
(2013)The endemic Jamaican subspecies of the Golden Swallow Tachycineta euchrysea euchrysea has been rare and locally distributed since its discovery in 1847. By the 1950s, its geographic range had contracted to a small region ... -
Historical demography of bird populations from Hispaniola assessed by nuclear and mitochondrial gene sequences
(2015)Molecular markers can be used to infer the demographic history of a given species, but many historic processes simultaneously impact multiple species. Thus, comparative historical demography has the potential to provide ... -
Identification of priority shorebird conservation areas in the Caribbean
(2020)Despite being geographically central to the Atlantic Americas Flyway for migratory birds, the Caribbean is often overlooked or underappreciated when addressing the conservation of North American shorebirds. To our knowledge, ... -
Important bird areas in the Caribbean : key sites for conservation : Dominican Republic
(2008)The aim of this publication is simple: in a rational, scientifically robust way, it puts the spotlight on a Caribbean network of internationally important biodiversity sites "Important Bird Areas" (IBAs). In a region that ... -
Life-stage and sex influence Philornis ectoparasitism in a Neotropical woodpecker Melanerpes striatus with essential male parental care
(2023)The nestlings of many Neotropical bird species suffer from Philornis (Diptera: Muscidae) ectoparasitism. Although nestlings are typically considered the intended targets, recent work indicates that Philornis infest adult ... -
Lincoln’s Sparrow (Melospiza lincolnii) : new record for the Dominican Republic
(2012)[English] On 8 and 9 November 2010, during ornithological field research in montane forests of Sierra de Bahoruco National Park, Dominican Republic at 1800 m elevation, we observed and photographed a Lincoln’s Sparrow ... -
Linking breeding and wintering grounds of Bicknell's Thrushes using stable isotope analyses of feathers
(2001)Previous studies have shown that natural abundance of deuterium (D), and to a lesser extent, in feathers of migrant songbirds in North America can be used to infer geographic origins of molt. We used that approach to ... -
Modeling spatial variation in winter abundance to direct conservation actions for a vulnerable migratory songbird, the Bicknell's Thrush (Catharus bicknelli)
(2018)[English] The winter range of the Bicknell's Thrush (Catharus bicknelli), a globally vulnerable Nearctic–Neotropical migratory songbird, is restricted to the Greater Antilles. Most birds occur on Hispaniola, where the ...