Results 41 to 50 of about 6,347 (210)
Wildlife Biology, EarlyView.Predation by pine martens Martes martes and red foxes Vulpes vulpes is an important factor influencing the population dynamics of capercaillie Tetrao urogallus. However, there is a knowledge gap regarding the relative effects of these mesopredators on the reproductive success of capercaillie. To better understand how various landscape factors influence
Siow Yan Jennifer Angoh +4 more
wiley +1 more source
The Golden Eagle Aquila chrysaetos in the Umbria-Marche Apennines
Avocetta, 2017 This research aims to fill a knowledge gap on the current status and distribution of the Golden Eagle’s Aquila chrysaetos nesting pairs in Sardinia. To date, no recent data or censuses in the scientific bibliography about the situation of this raptor in
Jacopo Angelini +4 more
doaj +1 more source
Habitat selection and breeding ecology of golden eagles in Sweden [PDF]
, 2015 The red-listed Golden Eagle (Aquila chrysaetos) population is estimated between 1200-1400 reproductive individuals in Sweden. This population is unusual as eagles predominantly nest in trees unlike most others that prefer cliffs.
Moss, Edward
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The performance of drones and artificial intelligence for monitoring sage‐grouse at leks
Wildlife Biology, EarlyView.Accurately monitoring sage‐grouse populations is critical for conservation, yet traditional ground‐based visual surveys face challenges in scalability and consistency, prompting the exploration of innovative drone‐based methodologies enhanced by artificial intelligence.
Lance B. McNew +2 more
wiley +1 more source
Biological and environmental drivers of early life fawn survival in a declining pronghorn population
Wildlife Biology, EarlyView.Pronghorn Antilocapra americana occupy only a portion of their historical range and in Oklahoma occur at the eastern edge of the species' contemporary distribution. Monitoring has suggested pronghorn populations in Oklahoma have declined in recent years.
Derek P. Hahn +10 more
wiley +1 more source
Estudo da população de águia-real no Nordeste de Portugal [PDF]
, 2010 Mestrado em Ecologia, Biodiversidade e Gestão de EcossistemasCom o principal objectivo de aprofundar o conhecimento científico sobre a população de águia-real (Aquila chrysaetos) existente na região nordeste de Portugal foram estudados diversos ...
Quadrado, João Pedro Ruas
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Determining Sex in Golden Eagle (Aquila Chrysaetos) Chicks
, 2022 Abstract Incorporating sex ratios of chicks into population viability studies increases knowledge of overall health of endangered populations. Currently a reliable non-invasive method to identify the sex of golden eagle chicks is not available, despite this, claims are commonly made based on morphology.
Gabriela Peniche +6 more
openaire +1 more source
Wildlife Biology, EarlyView.In the late‐20th century, golden and Bonelli's eagles suffered population declines on the Iberian Peninsula, partly due to human persecution. Habitat assessments – especially for Bonelli's eagles – always found or assumed strong associations with cliffs that provided nesting sites.
Ryan Baumbusch +5 more
wiley +1 more source
An overview of existing raptor contaminant monitoring activities in Europe [PDF]
, 2017 Under a Creative Commons license.-- et al.Biomonitoring using raptors as sentinels can provide early warning of the potential impacts of contaminants on humans and the environment and also a means of tracking the success of associated mitigation measures.
Gómez-Ramírez, Pilar, Mateo, Rafael
core +1 more source