Reproductive ecology of the Upland Buzzard (Buteo hemilasius) on the Mongolian steppe

Sundev Gombobaatar, Biraazana Odkhuu, Reuven Yosef, Bayandonoi Gantulga, Purevdorj Amartuvshin, Dorj Usukhjargal

Research output: Contribution to journalArticlepeer-review

8 Scopus citations


The breeding distribution of the Upland Buzzard (Buteo hemilasius) is restricted to the eastern Palearctic. In comparison to other Buteo species, little is known about this species' breeding ecology. The objectives of our study were to describe nest sites and reproductive success of Upland Buzzards in Mongolia. The average clutch size for 304 breeding attempts in 200107 was 3.49 eggs (±1.09 SD; range 28; total of 1061 eggs laid). For 215 breeding attempts, the average brood size was 1.95 nestlings (±1.53; range 06). We found that the nest materials and nest size varied greatly, probably corresponding to the availability of nesting materials within the territory. However, the variation in nest size may also reflect the fact that some of the smaller nests were built on human-made structures, such as electric pylons or roofs of small buildings.

Original languageEnglish
Pages (from-to)196-201
Number of pages6
JournalJournal of Raptor Research
Issue number3
StatePublished - 1 Sep 2010
Externally publishedYes


  • Buteo hemilasius
  • Mongolia
  • Upland Buzzard
  • reproduction
  • steppes

ASJC Scopus subject areas

  • Animal Science and Zoology


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