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Density-dependent productivity depression in Pyrenean Bearded Vultures: implications for conservation.
TLDR
The results suggest that vulture populations are regulated as posited by the site-dependency hypothesis: as the population increases, average productivity decreases because progressively poorer territories are used, and the combined effects of the shrinkage of territories and the presence of floaters around supplementary feeding points seem to be the main causes of productivity decline.
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Sanitary versus environmental policies: fitting together two pieces of the puzzle of European vulture conservation.
Summary 1. Between 1996 and 2000 the appearance of bovine spongiform encephalopathy swiftly became one of the most serious public health and political crises concerning food safety ever experienced…
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Poison-related mortality effects in the endangered Egyptian vulture (Neophron percnopterus) population in Spain
TLDR
The results suggest that poisoning is probably one of the main causes of Egyptian vulture mortality in Spain, and the eradication of the illegal use of poisoning and supplementary feeding in specific territories to provide safe food seems priority for its conservation.
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Effect of human activities on the behaviour of breeding Spanish imperial eagles (Aquila adalberti): management implications for the conservation of a threatened species
TLDR
The results suggest that the critical inner buffer zone around Spanish imperial eagle nests should be established at a minimum radius of 500 m, and the vulnerable zones at aminimum of 800 m, bearing in mind the physiography of the terrain and the visibility of the nests.
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Sources of variation in mortality of the Bearded Vulture Gypaetus barbatus in Europe
TLDR
The results suggest that human persecution continues to be the main factor contributing to unnatural mortality for European Bearded Vultures, with substantial differences between causes of mortality recorded for birds located by chance and radio-tagged birds.
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Minimising Mortality in Endangered Raptors Due to Power Lines: The Importance of Spatial Aggregation to Optimize the Application of Mitigation Measures
TLDR
Pylons with cable insulation showed higher electrocution rates than unimproved pylons, both for raptors and eagles, despite this is the most widely used and recommended mitigation measure in several countries.
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Testing the Goodness of Supplementary Feeding to Enhance Population Viability in an Endangered Vulture
TLDR
Although AFS are not effective to save bearded vultures from an expected population decline, they delay population extinction and can be a useful tool for prolonging population viability while combating illegal and indirect poisoning.
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Linking ecology, behaviour and conservation: does habitat saturation change the mating system of bearded vultures?
TLDR
It was found that a significant proportion of unpaired birds become potential breeders by entering high-quality territories, or by forming polyandrous trios as a strategy to increase their individual performance, but productivity of territories was reduced when those occupied by breeding pairs changed to trios, suggesting that the third individual was costly.
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A demographic description of the recovery of the Vulnerable Spanish imperial eagle Aquila adalberti
TLDR
Spatial variation of adult survival and breeding success is not congruent with the observed growth rate of the population, which suggests the existence of an important flow of individuals between populations.
View on Cambridge Press
The function of the cosmetic coloration of bearded vultures: when art imitates life
TLDR
This paper aims to demonstrate the efforts towards in-situ applicability of EMMARM, which aims to provide real-time information about how the use of E.M.D.’s Law and its consequences have changed the way people view the world around them.
View on Elsevier
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