Spanish Imperial Eagle
Overview
 
The Spanish Imperial Eagle, Iberian Imperial Eagle or Adalbert's Eagle (Aquila adalberti) is a threatened
Threatened species
Threatened species are any speciesg animals, plants, fungi, etc.) which are vulnerable to endangerment in the near future.The World Conservation Union is the foremost authority on threatened species, and treats threatened species not as a single category, but as a group of three categories,...

 species of eagle
Eagle
Eagles are members of the bird family Accipitridae, and belong to several genera which are not necessarily closely related to each other. Most of the more than 60 species occur in Eurasia and Africa. Outside this area, just two species can be found in the United States and Canada, nine more in...

 that only occurs in central and south-west Spain
Spain
Spain , officially the Kingdom of Spain languages]] under the European Charter for Regional or Minority Languages. In each of these, Spain's official name is as follows:;;;;;;), is a country and member state of the European Union located in southwestern Europe on the Iberian Peninsula...

, adjacent areas of Portugal
Portugal
Portugal , officially the Portuguese Republic is a country situated in southwestern Europe on the Iberian Peninsula. Portugal is the westernmost country of Europe, and is bordered by the Atlantic Ocean to the West and South and by Spain to the North and East. The Atlantic archipelagos of the...

 and possibly northern Morocco
Morocco
Morocco , officially the Kingdom of Morocco , is a country located in North Africa. It has a population of more than 32 million and an area of 710,850 km², and also primarily administers the disputed region of the Western Sahara...

, although the latter is disputed. Formerly, the Iberian Imperial Eagle was considered to be a subspecies
Subspecies
Subspecies in biological classification, is either a taxonomic rank subordinate to species, ora taxonomic unit in that rank . A subspecies cannot be recognized in isolation: a species will either be recognized as having no subspecies at all or two or more, never just one...

 of the Eastern Imperial Eagle
Eastern Imperial Eagle
The Eastern Imperial Eagle is a large species of bird of prey that breeds from southeastern Europe to central Asia. Most populations are migratory and winter in northeastern Africa, and southern and eastern Asia. The Spanish Imperial Eagle, found in Spain and Portugal, was formerly lumped with...

, but is now widely recognised as a separate species due to differences in morphology
Morphology (biology)
In biology, morphology is a branch of bioscience dealing with the study of the form and structure of organisms and their specific structural features....

 , ecology
Ecology
Ecology is the scientific study of the relations that living organisms have with respect to each other and their natural environment. Variables of interest to ecologists include the composition, distribution, amount , number, and changing states of organisms within and among ecosystems...

, and molecular characteristics.

The Spanish Imperial Eagle averages smaller, 2.5–3.5 kg (5.5–7.7 lb), 78–82 cm (30.7–32.3 in) in length and 180–210 cm (70.9–82.7 in) in wingspan, and darker than its eastern cousin, and is a resident species (Eastern Imperial is partially migratory).
 
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