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Annual movements of a steppe eagle (Aquila nipalensis) summering in Mongolia and wintering in Tibet

Journal of the Bombay Natural History Society
By: , , and 

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Abstract

An adult female steppe eagle (Aquila nipalensis Hodgson) was captured and fitted with a satellite transmitter in June 1995 in southeastern Mongolia. In fall, it traveled southwest towards India as expected, but stopped in southeastern Tibet and wintered in a restricted zone within the breeding range of the steppe eagle. In spring, the bird returned to the same area of Mongolia where it was captured. These observations, though derived from the movements of a single bird, suggest three things that are contrary to what is generally believed about steppe eagle biology. First, not all steppe eagles move to warmer climes in winter. Second, not all steppe eagles are nomadic in winter. Finally, because our bird wintered at the periphery of the steppe eagle breeding range in Tibet, perhaps birds that breed in this same area also winter there. If so, not all steppe eagles are migratory.

Suggested Citation

Ellis, D.H., Moon, S., Robinson, J.W., 2001, Annual movements of a steppe eagle (Aquila nipalensis) summering in Mongolia and wintering in Tibet: Journal of the Bombay Natural History Society, v. 98, no. 3, p. 335-340.

Publication type Article
Publication Subtype Journal Article
Title Annual movements of a steppe eagle (Aquila nipalensis) summering in Mongolia and wintering in Tibet
Series title Journal of the Bombay Natural History Society
Volume 98
Issue 3
Year Published 2001
Language English
Contributing office(s) Patuxent Wildlife Research Center
Description 335-340
Larger Work Type Article
Larger Work Subtype Journal Article
Larger Work Title Journal of the Bombay Natural History Society
First page 335
Last page 340
Additional publication details