Results 21 to 30 of about 2,703 (197)
Ecología trófica y tafonomía del jote cabeza negra, <i>Coragyps atratus</i> (Cathartidae) y su comparación con otros cathartidae del noroeste de la Patagonia [PDF]
, 2016 Fil: Ballejo, Fernando. Universidad Nacional de La Plata.
Fernando Ballejo
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Rapid Global Deforestation Leaves Forest-Dependent Raptors With Half of Their Suitable Habitat Remaining. [PDF]
Glob Chang BiolWe analyzed high‐resolution global data on forest change between 2001 and 2023 within the ranges of 369 forest‐dependent raptor species. On average, these species have lost 10% of forest within their ranges since 2001. Seventy‐seven species had already lost at least 15% of additional forest cover within their ranges in the latter half of the 20th ...
O'Bryan CJ +6 more
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Hematozoa and A New Haemoproteid Species from Cathartidae (New World Vulture) In South Carolina
Journal of Parasitology, 2011 A survey of turkey vultures (Cathartes aura) in South Carolina revealed the presence of a novel haemoproteid. Haemoproteus catharti n. sp. is described from the slides developed from the blood of this vulture. The new species is a thick, halteridial form with complete margins, and is considered distinct from the other recognized haemoproteids from the ...
Ellis C. Greiner +4 more
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Revista Peruana de Biología, 2021 La variabilidad genética intrapoblacional de Vultur gryphus (cóndores andinos) de las regiones de Cusco y Apurímac fue evaluada mediante amplificación y secuenciación del ADN mitocondrial correspondientes a la región control y subunidad ribosomal 12S (D ...
Ramón Gustavo Quispe Montoya +2 more
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King Vulture Sarcoramphus papa (Linnaeus, 1758) (Aves, Cathartidae) nesting in a manmade structure [PDF]
Biota Neotropica, 2013 The King Vulture Sarcoramphus papa (Linnaeus, 1758) is declining globally and it is listed as threatened with extinction in state of São Paulo, southeastern Brazil. Despite a recent increase in observations of this species, nesting records are scarce in the state.
Laís Petri +3 more
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Revista Peruana de Biología, 2021 En este estudio se analiza y discute la ingesta de plástico y otros materiales antropogénicos por parte de Coragyps atratus en un vertedero de residuos suburbano de Calceta, Provincia de Manabí, Ecuador. De un total de 112 egagrópilas analizadas, el 100%
Enrique Richard +2 more
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Simple Bagged Movement Models for Telemetry Data. [PDF]
Ecol EvolWe propose a bagged (i.e., bootstrap aggregated) animal movement model using simple, off‐the‐shelf machine learning algorithms. The model is intuitive, retains statistical inference about characteristics of animal movement (i.e., estimated from model‐based summary statistics), and only requires knowledge of elementary statistical and machine learning ...
Whetten AB +3 more
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COLOR ABERRATIONS IN TWO SPECIES OF NEW WORLD VULTURES (CATHARTIDAE) [PDF]
Ornitología Neotropical, 2019 Abstract ∙ We present information on two cases of color aberrations in two species of vultures: one individual of Turkey Vulture (Cathartes aura) in Mexico and one of Black Vulture (Coragyps atratus) in Costa Rica. Both cases were determined to be ino, wherein birds have very pale brown eumelanin.
José Manuel Mora +1 more
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Frugivory in Raptors: New Observations from Australia and a Global Review
Birds, 2021 The diets of raptors are some of the best studied and well-known of all bird groups. Raptors are typically carnivores, hunting and feeding on vertebrates and, for some species, invertebrates. Here, we described instances of the Black Kite (Milvus migrans)
James A. Fitzsimons, Jack Leighton
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Prevalence and Diversity of Haemosporidian-Associated Matryoshka RNA Viruses in a Natural Population of Wild Birds. [PDF]
Ecol EvolThis study investigated the prevalence and diversity of Matryoshka RNA viruses (MaRNAV) in wild birds in the San Francisco Bay Area, California. Using RNA sequencing and RT‐PCR, we identified two novel MaRNAVs (MaRNAV‐5 and ‐6) associated with haemosporidian infections in passerines and raptors. These findings suggest a high prevalence of these viruses,
Esperanza CW +3 more
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