Ecological Dynamics of Golden Eagle Populations
Summary
Golden eagles (Aquila chrysaetos) occupy a wide array of montane and arid landscapes across the Northern Hemisphere, where their population dynamics are governed by a complex interplay of habitat availability, prey resources, reproductive output and movement ecology. As long-lived apex predators with deferred maturity and low annual fecundity, golden eagles are sensitive to alterations in land cover, prey abundance and human disturbance. Natal dispersal and age at first breeding determine the rate at which vacant territories are colonised and underpin population resilience. Seasonal fluctuations in food supply, from reptile prey during the breeding season to carrion and small mammals in winter, further shape foraging strategies and survival. Anthropogenic factors such as energy infrastructure, land-use change and climate-driven shifts in fire regimes can disrupt nesting habitat and migratory pathways, demanding rigorous spatial modelling for conservation planning. Advances in telemetry and habitat-modelling techniques now inform targeted management of high-value breeding and migration corridors, guide mitigation of collision and lead poisoning risks, and support reintroduction and recovery initiatives in regions where populations have dwindled.
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Ecological Dynamics of Golden Eagle Populations publication trend
The graph below shows the total number of articles in ecological dynamics of golden eagle populations across all publications each year (not limited to Nature Index journals).
Technical terms
Habitat selection: The process by which individuals choose among available environments, influenced by factors such as food supply, shelter and reproductive sites.
Natal dispersal: The movement of young birds from their birthplace to the site of first breeding, affecting gene flow and territory colonisation rates.
Topographic modulator: A terrain feature (elevation, slope or aspect) that alters the suitability or attractiveness of a given land-cover type for a species.
References
- Importance of the interplay between land cover and topography in modeling habitat selection. Ecological Indicators (2024).
- When do young birds disperse? Tests from studies of golden eagles in Scotland. BMC Ecology and Evolution (2013).
- Modeling golden eagle‐vehicle collisions to design mitigation strategies. Journal of Wildlife Management (2018).
- Migration corridors of adult Golden Eagles originating in northwestern North America. PLOS ONE (2018).
- The role of age of first breeding in modeling raptor reintroductions. Ecology and Evolution (2019).
- Pronounced Seasonal Diet Diversity Expansion of Golden Eagles (Aquila chrysaetos) in Northern Greece during the Non-Breeding Season: The Role of Tortoises. Diversity (2022).
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