Results 41 to 50 of about 2,703 (197)

Digenea, Strigeidae, Australapatemon canadensis Dubois and Rausch, 1950: first record in South America and a new host record [PDF]

open access: yes, 2010
Australapatemon canadensis Dubois and Rausch, 1950 (Digenea, Strigeidae) is reported parasitizing to Cygnus melancoryphus (Molina) (Anatidae) from Lacombe Lagoon, Buenos Aires Province and Pellegrini Lake Río Negro Province, Argentina.
Drago, Fabiana Beatriz   +1 more
core   +3 more sources

Registro del zopilote rey (Sarcoramphus papa) en sus límites ambientales en Chiapas, México

open access: yesHuitzil, 2013
El zopilote rey (Sarcoramphus papa) es una especie poco común o rara en México, y actualmente es considera en peligro de extinción en el país. El 9 de agosto de 2012, observamos un individuo adulto en un ecosistema perturbado del ejido Jerusalén ...
Saúl Sánchez Soto   +3 more
doaj   +1 more source

Sedimentología y vertebrados fósiles de la Formación Santa Cruz (Mioceno temprano) en Lago Posadas, suroeste de Patagonia, Argentina [PDF]

open access: yes, 2019
Lago Posadas se ubica al pie de los Andes Patagónicos Australes, en el suroeste de Argentina, donde la Formación Santa Cruz (FSC) del Mioceno temprano muestra afloramientos potentes y lateralmente continuos.
Aramendía, Inés   +3 more
core   +2 more sources

Urban waste disposal explains the distribution of Black Vultures (Coragyps atratus) in an Amazonian metropolis: management implications for birdstrikes and urban planning [PDF]

open access: yesPeerJ, 2018
Collision rates between aircraft and birds have been rising worldwide. The increases in both air traffic and population sizes of large-bodied birds in cities lacking urban planning result in human-wildlife conflicts, economic loss and even lethal ...
Giase M. de Araujo   +3 more
doaj   +2 more sources

The Mitochondrial Genomes of Aquila fasciata and Buteo lagopus (Aves, Accipitriformes): Sequence, Structure and Phylogenetic Analyses. [PDF]

open access: yesPLoS ONE, 2015
The family Accipitridae is one of the largest groups of non-passerine birds, including 68 genera and 243 species globally distributed. In the present study, we determined the complete mitochondrial sequences of two species of accipitrid, namely Aquila ...
Lan Jiang   +17 more
doaj   +1 more source

Characterization of chromosome structures of Falconinae (Falconidae, Falconiformes, Aves) by chromosome painting and delineation of chromosome rearrangements during their differentiation [PDF]

open access: yes, 2008
Karyotypes of most bird species are characterized by around 2n = 80 chromosomes, comprising 7–10 pairs of large- and medium-sized macrochromosomes including sex chromosomes and numerous morphologically indistinguishable microchromosomes.
GRIFFIN Darren K   +6 more
core   +2 more sources

Vultures and others scavenger vertebrates associated with man-sized pig carcasses: a perspective in Forensic Taphonomy

open access: yesZoologia (Curitiba), 2013
The activity of vertebrates that feed on corpses can modify the chronology of the decomposition process and interfere with postmortem interval estimates.
Caroline Demo   +3 more
doaj   +1 more source

Birds surveyed in the harvested and unharvested areas of a reduced-impact logged forestry concession, located in the lowland subtropical humid forests of the Department of Santa Cruz, Bolivia. [PDF]

open access: yes, 2007
As part of a larger study of reduced-impactlogging effects on bird community composition,we surveyed birds from December to Februaryduring the 2003-2004 wet-season within harvestedand unharvested blocks of the La Chonta forestryconcession, Department of ...
Felton, A.   +3 more
core   +2 more sources

El Gran Intercambio Biótico Americano: una revisión paleoambiental de evidencias aportadas por mamíferos y aves neotropicales [PDF]

open access: yes, 2013
Tradicionalmente, se ha considerado que la formación del istmo de Panamá (durante el Plioceno hace 3 Ma) facilitó el movimiento de especies entre Sudamérica y Norteamérica. Este proceso ecológico y evolutivo denominado Gran Intercambio Biótico Americano (
Araújo, Mariane Fátima Silva   +4 more
core   +5 more sources

Anticuerpos séricos contra la enfermedad de Newcastle e Influenza Aviar en aves rapaces de Chile. [PDF]

open access: yes, 2012
Objetivo. Detectar la presencia de anticuerpos séricos sanguíneos contra los virus de la Enfermedad de Newcastle (ENC) e Influenza aviar (IA), para comprender la contribución de las aves silvestres en la transmisión de estos virus en Chile.
Christian Mathieu   +6 more
core   +3 more sources

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