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Spanish Imperial Eagle: Wikis


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Spanish Imperial Eagle
Conservation status
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Aves
Order: Falconiformes (or Accipitriformes, q.v.)
Family: Accipitridae
Genus: Aquila
Species: A. adalberti
Binomial name
Aquila adalberti
C. L. Brehm, 1861

Aquila heliacea adalberti

The Spanish Imperial Eagle (also known as Iberian Imperial Eagle or Adalbert's Eagle) (Aquila adalberti) is closely related to the Eastern Imperial Eagle (Aquila heliaca). It occurs only in central and south-west Spain, Portugal and possibly northern Morocco. Formerly (Sangster et al., 2002), the Spanish Imperial Eagle was considered to be a subspecies of the Eastern Imperial Eagle, but is now widely recognised as a separate species due to differences in morphology (Cramp & Simmons, 1980), ecology (Meyburg, 1994), and molecular characteristics (Seibold et al., 1996; Padilla et al., 1999).

The Spanish Imperial Eagle is smaller, 2.5–3.5 kg (5.5–7.7 lbs) and 75–84 cm (30–33 in) in length, and darker than its eastern cousin, and is a resident species (A. heliaca migrates to the southeast during winter). It feeds mainly on rabbits, but can prey on many other animals, such as partridges, rodents, hares, pigeons, crows, ducks and even dogs. The species is classified as Vulnerable. Threats include loss of habitat, human encroachment, collisions with pylons, and illegal poisoning. There has also been a decline in the Spanish rabbit population, as a result of myxomatosis and other viral illnesses. The current population is estimated at less than 500.

In 2006 there were around 220 pairs reported in Spain and 2 in Portugal[1], and though numbers are showing signs of recovery, it is still an endangered species. A small population is preserved in Doñana National Park, Spain (descendants from only seven pairs in 1970: Schuhmacher, 1973) but its stronghold is the dehesa woodlands of central and south-west Spain.

In February 2009 one male of the extremely rare Portugal population was shot.[2]

The binomial commemorates Prince Adalbert of Bavaria.


  • Cramp, S. & Simmons, K. E. L. (1980) Birds of the Western Palearctic, Vol. 2. Oxford University Press, Oxford.
  • Ferguson-Lees, James & Christie, David A. (2001): Raptors of the World. Houghton Mifflin, Boston. ISBN 0-618-12762-3
  • Ferrer, Miguel (2001): The Spanish Imperial Eagle. Lynx Edicions, Barcelona. ISBN 84-87334-34-2
  • Meyburg, B. U. (1994): [210 & 211: Imperial Eagles]. In: del Hoyo, Josep; Elliott, Andrew & Sargatal, Jordi (editors): Handbook of Birds of the World, Volume 2: New World Vultures to Guineafowl: 194-195, plate 20. Lynx Edicions, Barcelona. ISBN 84-87334-15-6
  • Padilla, J. A.; Martinez-Trancón, M.; Rabasco, A. & Fernández-García, J. L. (1999): The karyotype of the Iberian imperial eagle (Aquila adalberti) analyzed by classical and DNA replication banding. Cytogenetics and Cell Genetics 84: 61–66. doi:10.1159/000015216 (HTML abstract)
  • Schuhmacher, Eugen (1973): Europe's Paradises
  • Seibold, I.; Helbig, A. J.; Meyburg, B. U.; Negro, J. J. & Wink, M. (1996): Genetic differentiation and molecular phylogeny of European Aquila eagles (Aves: Falconiformes) according to cytochrome-b nucleotide sequences. In: Meyburg, B. U. & Chancellor, R. D. (eds): Eagle Studies: 1–15. Berlin: World Working Group on Birds of Prey.


  1. ^ Un plan para las 220 parejas de águila imperial. EFE/El Mundo, 2006-SEP-27. Retrieved2006-OCT-17.
  2. ^ Encontrado morto o macho do único casal de águia-imperial que nidificou no país (Portuguese)

External links



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