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| Aquila fasciata | |
|---|---|
| Name | Bonelli's Eagle |
| Status | VU |
| Status system | IUCN3.1 |
| Taxon | Aquila fasciata |
| Authority | (Vieillot, 1822) |
Aquila fasciata is a medium-large raptor known commonly as Bonelli's Eagle, historically recognized across parts of southern Europe, northern Africa, and South Asia. The species has been the subject of conservation concern and scientific research involving institutions such as the International Union for Conservation of Nature, BirdLife International, and regional agencies like the European Commission, IUCN Red List, and national wildlife ministries. Studies by ornithologists affiliated with universities such as the University of Oxford, University of Cambridge, and Università di Bologna have informed its status and management across landscapes shaped by entities like the European Union, African Union, and governments of Spain, Italy, Greece, Morocco, India, and Pakistan.
First described by Louis Jean Pierre Vieillot in 1822, the species was placed in the genus Aquila, which includes taxa studied at institutions like the Natural History Museum, London and the Smithsonian Institution. Phylogenetic analyses using molecular methods from laboratories at the Max Planck Society and University of Copenhagen compared its DNA with related genera investigated by researchers at the American Museum of Natural History and the Museo Nacional de Ciencias Naturales. Taxonomic revisions debated by committees such as the International Ornithologists' Union and the British Ornithologists' Union have considered relationships with species studied in the Palearctic region, Afrotropical realm, and Oriental realm. Historical nomenclature appears in works by explorers and naturalists including John Gould, Georges Cuvier, and collectors associated with the Royal Society and the Linnean Society of London.
Adults exhibit plumage patterns documented in field guides from the Royal Society for the Protection of Birds, LIFE Programme, and publications of the Handbook of the Birds of the World. Morphological measurements recorded by researchers at the Zoological Society of London, Museo Civico di Storia Naturale di Milano, and Natural History Museum of Barcelona indicate wingspans and body masses comparable to other eagles cataloged by the Cornell Lab of Ornithology and the American Ornithological Society. Juvenile and adult plumages, moult sequences, and sexual dimorphism have been photographed for reference collections at the British Museum, Muséum national d'Histoire naturelle, and regional museums in Madrid, Lisbon, and Athens.
The species occupies fragmented territories across peninsulas and islands documented by surveys from SEO/BirdLife, LIPU, and national parks such as Doñana National Park, Sierra Nevada National Park (Spain), and Bandipur National Park. Its range maps appear in atlases produced by the European Bird Census Council, African Bird Club, and the Asian Raptor Research and Conservation Network. Habitats used include rocky escarpments, Mediterranean scrublands, and semi-arid slopes studied in landscape projects funded by the European Regional Development Fund, UNESCO World Heritage Centre, and conservation NGOs like the WWF and BirdLife International.
Breeding territoriality, pair-bonding, and interspecific interactions have been observed in studies supported by the Royal Society, CNR (Italy), and universities including the University of Barcelona and University of Athens. Seasonal movement patterns and dispersal were tracked using telemetry developed by engineers at Copenhagen University Hospital and companies collaborating with the European Space Agency for satellite tags. Interactions with competitors such as species protected under directives of the European Commission and predators recorded by researchers associated with the Institute of Terrestrial Ecology inform community ecology across Mediterranean and Asian ecosystems.
Prey selection documented by field teams from CNRS, CSIC, and the Zoological Survey of India shows a preference for medium-sized birds and mammals also studied by the Royal Society for the Protection of Birds and regional hunting authorities in Portugal, France, and Algeria. Hunting techniques, stoops, and cooperative behavior references appear in journals published by the British Ornithologists' Club, Journal of Avian Biology, and archives of the American Naturalist. Predation impacts on species listed by the IUCN Red List and managed by conservation programs in protected areas such as Monts de l'Atlas and Deccan Plateau reserves have been subjects of multidisciplinary research.
Nesting biology, clutch size, and fledging rates have been monitored by projects led from institutions including the University of Seville, University of Rome La Sapienza, and regional conservation NGOs like GREFA and Livia. Long-term demographic studies coordinated with the European Commission LIFE Programme, country wildlife agencies in Greece and Spain, and international researchers from the Projecto Bonelli network provide data on survival, longevity, and recruitment. Post-fledging dispersal and juvenile survival patterns connect to broader studies by the Institute of Zoology (Chinese Academy of Sciences) and the Indian Institute of Science.
Listed as vulnerable on the IUCN Red List and included under directives of the Bern Convention and EU legislation, the species faces threats documented by BirdLife International, WWF, and national agencies in Spain, Italy, Morocco, and India. Major pressures include habitat alteration addressed by the European Commission and United Nations Environment Programme, persecution investigated in reports by the RSPB, SEO/BirdLife, and law enforcement actions by authorities such as the Guardia Civil and Forestry Department (India). Conservation measures promoted by partnerships among the LIFE Programme, WWF, regional universities, and local NGOs emphasize protected area management, mitigation of electrocution from infrastructure by energy companies and regulators, and public outreach coordinated with ministries like the Ministry of Environment (Spain) and cultural heritage bodies.
Category:Birds of prey