نتایج جستجو برای: eagles syndrome

تعداد نتایج: 622754  

2000

The paper presents one way of reconciling data sparseness with the requirement of high accuracy tagging in terms of fine-grained tagsets. For lexicon encoding, EAGLES elaborated a set of recommendations aimed at covering multilingual requirements and therefore resulted in a large number of features and possible values. Such an encoding, used for tagging purposes, would lead to very large tagset...

Journal: :Journal of human evolution 2003
William J Sanders Josh Trapani John C Mitani

This study provides a taphonomic analysis of prey accumulations of crowned hawk-eagles (Stephanoaetus coronatus) from Ngogo, Kibale National Park, Uganda, collected over 37 months from below nests of two eagle pairs. Crowned hawk-eagles are powerful predators capable of killing animals much larger than themselves, and are significant predators of cercopithecoid monkeys in forest habitats throug...

Journal: :Frontiers in Ecology and Evolution 2021

Larger carnivores often trigger human-wildlife conflicts that arise from perceived threats to humans and domestic animals’ safety, which generate the need for management removal strategies. These issues become especially challenging when wildlife coexist close one another, example, in urban landscapes. African Crowned Eagles ( Stephanoaetus coronatus ) are powerful forest raptors breed within m...

2011
Francisco Guil Mariana Fernández-Olalla Rubén Moreno-Opo Ignacio Mosqueda María Elena Gómez Antonio Aranda Ángel Arredondo José Guzmán Javier Oria Luis Mariano González Antoni Margalida

Electrocution by power lines is one of the main causes of non-natural mortality in birds of prey. In an area in central Spain, we surveyed 6304 pylons from 333 power lines to determine electrocution rates, environmental and design factors that may influence electrocution and the efficacy of mitigation measures used to minimise electrocution cases. A total of 952 electrocuted raptors, representi...

Journal: :Tropical Conservation Science 2023

Background and Research Aims The Black-and-chestnut Eagle ( Spizaetus isidori) has a total population of fewer than 1000 adult individuals, is categorized as Endangered at the global level. northern Andes (Ecuador Colombia) represent one last strongholds species. In this study, we analyzed human persecution retaliation or preventive measure against poultry predation, well other threats that hav...

Journal: :Environmental toxicology and chemistry 2001
N Kenntner F Tataruch O Krone

Residues of the potentially toxic metals lead, mercury, and cadmium were analyzed in liver and kidney tissue of 61 free-ranging white-tailed eagles (Haliaeetus albicilla) found dead or moribund in Germany and Austria between 1993 and 2000. Highest values and the widest range were detected for lead in liver and for mercury in kidney tissue. Lead concentrations considered to induce lethal lead po...

2016
Megan Murgatroyd Les G Underhill Willem Bouten Arjun Amar

Information on movement ecology is key in understanding the drivers and limitations of life history traits and has a potential role in indicating environmental change. Currently we have a limited understanding of the parameters of movement of territory-bound raptors, which are sensitive to environmental change. In this study we used GPS tracking technology to obtain spatially (within 3 m) and t...

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