Results 61 to 70 of about 43,538 (233)

First bird remains from the Eocene of Algarrobo, central Chile Primeros restos de aves del Eoceno de Algarrobo, Chile central

open access: yesAndean Geology, 2012
Paleogene records of birds in the Eastern margin of the Pacific Ocean have increased in recent years, being almost exclusively restricted to fossil Sphenisciformes (penguins).
Roberto E Yury-Yáñez   +5 more
doaj   +1 more source

Carnívoros invasores en Patagonia: Definiendo prioridades para su manejo usando el visón americano (Neovison vison) como caso de estudio [PDF]

open access: yes, 2014
El visón Americano es una especie introducida con una amplia distribución en Patagonia y por su comportamiento de forrajeo es el carnívoro invasor con el mayor potencial para afectar a la biodiversidad en la región. La información disponible acerca de la
Fasola, Laura   +1 more
core  

Effectiveness of territorial protection categories in conserving an endemic island bird during population fluctuation

open access: yesConservation Science and Practice, EarlyView.
Static boundaries of protected areas failed to capture the Canary Islands stonechat's shifting distribution patterns. Abstract Protected areas represent cornerstones of biodiversity conservation on oceanic islands, yet their effectiveness for endemic species remains poorly evaluated. We assessed how various territorial protection categories conserve an
Luis M. Carrascal   +2 more
wiley   +1 more source

Patrones de presencia y abundancia de aves terrestres en la isla Saliaca, Sinaloa, México Patterns of occurrence and abundance of land birds on Saliaca Island, Sinaloa, Mexico

open access: yesRevista Mexicana de Biodiversidad, 2009
Se determinó la abundancia y composición taxonómica de las aves terrestres en la Isla Saliaca, Sinaloa, México, mediante puntos de conteo en 3 periodos de muestreo (verano, otoño e invierno) y 3 tipos de hábitat (bosque espinoso, manglar y duna).
José Alfredo Castillo-Guerrero   +2 more
doaj  

Occurrence of plastic particles in procellariiforms, south of São Paulo state (Brazil)

open access: yesBrazilian Archives of Biology and Technology, 2009
Seabirds ingest plastic particles floating on the surface of the world's oceans. The birds can ingest plastic particles that they mistakenly identify as prey items. Alternatively, plastics can be taken up in the stomach contents of prey species.
Edison Barbieri
doaj   +1 more source

New Michigan Tick (Acari: Ixodidae) and Flea (Siphonaptera: Ceratophyllidae) Records From Colonial Nesting Birds [PDF]

open access: yes, 2018
Banding and censusing large numbers of gull chicks over a 30-year period on Great Lakes islands has produced a collection of five individual ticks from two Herring Gull (Larus argentatus) chicks.
Scharf, William C
core   +2 more sources

Reputation and Asset Prices: Evidence From Trump Real Estate

open access: yesFinancial Management, EarlyView.
ABSTRACT We analyze the impact of brand reputation on asset prices by exploiting the prominence of Donald Trump in Manhattan real estate. Our quasi‐experiment identifies a 14.5% discount to condominiums in Trump‐branded buildings after controversies surrounding Trump's presidential candidacy began in June 2015 up to 2022.
Marlene Koch, Simon Stehle, Rémi Vivès
wiley   +1 more source

ANNOTATED CATALOGUE OF THE FOSSIL VERTEBRATES FROM ANTARCTICA HOUSED IN THE MUSEO DE LA PLATA, ARGENTINA. I. BIRDS AND LAND MAMMALS FROM LA MESETA FORMATION (EOCENE - ?EARLY OLIGOCENE)

open access: yesPublicación Electrónica de la Asociación Paleontológica Argentina, 2015
. The fossil vertebrate collection from Antarctica housed in the Departamento Científico Paleontología Vertebrados of Museo de La Plata house more than 15,000 specimens. It includes fishes, marine reptiles, dinosaurs, birds and mammals.
María Susana Bargo, Marcelo A. Reguero
doaj  

Geographic range size and speciation in honeyeaters

open access: yesBMC Ecology and Evolution, 2022
Background Darwin and others proposed that a species’ geographic range size positively influences speciation likelihood, with the relationship potentially dependent on the mode of speciation and other contributing factors, including geographic setting ...
Eleanor M. Hay   +2 more
doaj   +1 more source

How much sampling is enough? Four decades of understorey bird mist‐netting across Amazonia define the minimum effort to uncover species assemblage structure

open access: yesIbis, EarlyView.
Mist‐net sampling comprises a key methodological component of assemblage‐wide avifaunal studies, particularly in the understorey of closed‐canopy tropical forests. To investigate mist‐net bird captures and species assemblage structure, we compiled data from 312 sites across the Pan‐Amazon.
Pilar L. Maia‐Braga   +14 more
wiley   +1 more source

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