Results 51 to 60 of about 1,020 (185)

Measuring the edges of species' geographic ranges

Methods in Ecology and Evolution, EarlyView.
Abstract The fundamental unit of spatial ecology is a species range: the geographical area that it occupies. Species ranges are delineated by range edges (also known as boundaries or limits). Why range edges occur where they do and not elsewhere, and what makes them move, has been an active area of research since the 19th century.
Alexa L. Fredston
wiley   +1 more source

Digenean parasites of Ciconiiform birds from Argentina

Revista Mexicana de Biodiversidad, 2011
The helminthological survey of 13 specimens of 5 ciconiiform species revealed the presence of 10 species of intestinal digeneans: Sphincterodiplostomum musculosum Dubois, 1936 in Tigrisoma lineatum and Ardea alba; Tylodelphys elongata (Lutz, 1928) in T ...
Fabiana B. Drago, Lía I. Lunaschi
doaj   +1 more source

Tongue and Glottis Morphology of Cathartes aura and the Secret of Its Functional Adaptation

Acta Zoologica, EarlyView.
ABSTRACT Cathartes aura, commonly known as the Turkey vulture, is a scavenger bird belonging to the family Cathartidae that is widely distributed throughout the Americas and classified as a New World vulture. Its diet primarily consists of small‐sized carcasses, predominantly of wild animals.
Jean Caio Figueiredo de Almeida, Max Alex Santos Ferreira, Elane Guerreiro Giese, Alanna do Socorro Lima da Silva, Ana Rita de Lima, Érika Branco   +5 more
wiley   +1 more source

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

PeerJ, 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, Carlos A. Peres, Fabricio B. Baccaro, Rafael S. Guerta   +3 more
doaj   +2 more sources

Riqueza y abundancia de las aves urbanas de nueve áreas verdes de la ciudad de Sangolquí (Ecuador): Estudio preliminar

Siembra, 2019
Este estudio se realizó con el objetivo de documentar la riqueza y la abundancia de las aves silvestres en nue-ve áreas verdes de Sangolquí. Se registró la avifauna mediante puntos de conteo a partir de las 06h30 hasta las 09h30, en días sin lluvia ...
Iván Vinicio Jácome- Negrete, Sofía Isabel Trujillo Regalado, Diana Lizeth Rocha Cuascota, Erika Andrea Hidalgo Cárdenas, Stephanie Carolina Flores Vega   +4 more
doaj   +1 more source

Underestimation of avian diversity in the Tumbesian hotspot: Sampling gaps and conservation challenges

Conservation Science and Practice, EarlyView.
This study provides the first comprehensive reassessment of avian diversity in the Tumbesian region in over 30 years, documenting 931 species and identifying significant sampling gaps driven by geographic accessibility. We reveal a critical misalignment between biodiversity value and current protection coverage, particularly in humid forests which ...
Anabel Cueva‐Agila, Leonardo Ordóñez‐Delgado, María Fernanda Tapia‐Armijos, Carlos Iván Espinosa   +3 more
wiley   +1 more source

Avaliação da predação de Podocnemis expansa e Podocnemis unifilis (Testudines, Podocnemididae) no rio Javaés, Tocantins Evaluation of predation in Podocnemis expansa and Podocnemis unifilis (Testudines, Podocnemididae) in the Javaés River, Tocantins

Acta Amazonica, 2009
Podocnemis expansa e P. unifilis são animais de vida longa, com uma demorada maturação sexual, o que influencia uma baixa taxa de substituição de indivíduos.
Giovanni Salera Junior, Adriana Malvasio, Thiago Costa Gonçalves Portelinha   +2 more
doaj   +1 more source

Mycoplasma Corogypsi –Associated Polyarthritis and Tenosynovitis in Black Vultures ( Coragyps atratus ) [PDF]

Veterinary Pathology, 2012
Three wild American black vultures ( Coragyps atratus ) were presented to rehabilitation centers with swelling of multiple joints, including elbows, stifles, hocks, and carpal joints, and of the gastrocnemius tendons.
A J, Van Wettere, D H, Ley, D E, Scott, H D, Buckanoff, L A, Degernes   +4 more
openaire   +2 more sources

Diversidad de aves rapaces diurnas en la Reserva de la Biosfera Selva El Ocote, Chiapas, México

Revista Mexicana de Biodiversidad, 2009
LA PÉRDIDA Y DEGRADACIÓN DE AMBIENTES NATURALES ESTÁ AFECTANDO A GRUPOS FUNCIONALES DE GRAN RELEVANCIA, COMO LAS AVES RAPACES DIURNAS. EN ESTE ESTUDIO EVALUAMOS LA VARIACIÓN ESPACIAL DE LA DIVERSIDAD DE ESTE GRUPO EN LA ZONA NÚCLEO Y DE AMORTIGUAMIENTO ...
JOSÉ LUIS RANGEL, JOSÉ RAÚL VÁZQUEZ PÉREZ, PAULA L. ENRÍQUEZ   +2 more
doaj   +1 more source

Feathers and flu: identifying data gaps in avian influenza host dynamics to prioritize wildlife conservation Plumas y gripe: identificación de datos faltantes en la dinámica de hospedadores de la influenza aviar para priorizar la conservación de la vida silvestre

Wildlife Monographs, Volume 225, Issue 1, September 2026.
We describe the host response continuum for highly pathogenic avian influenza viruses (HPAIV), including the continuum of host responses to HPAIV infection and exposure based on the primary axis of host competence, ability to infect other hosts, and host vulnerability.
Johanna A. Harvey, Matthew Gonnerman, Shenglai Yin, Cody M. Kent, Joshua Cullen, Jeffery D. Sullivan, Jonathan B. Dain, Nichola J. Hill, Diann J. Prosser, Jennifer M. Mullinax   +9 more
wiley   +1 more source