Criteria Large historical decline European IUCN Red List Category — Criteria —

2000 population 1990 population unknown poor medium good 1990–2000 trend 1970–1990 trend 2000 population 1990 population unknown poor medium good 1990–2000 trend 1970–1990 trend Circus cyaneus

Bibliographic Details
Other Authors: The Pennsylvania State University CiteSeerX Archives
Format: Text
Language:English
Subjects:
Criteria C1
Circus cyaneus
Online Access:http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.675.6296
http://www.birdlife.org/datazone/userfiles/file/Species/BirdsInEuropeII/BiE2004Sp3409.pdf
Description
Summary:2000 population 1990 population unknown poor medium good 1990–2000 trend 1970–1990 trend 2000 population 1990 population unknown poor medium good 1990–2000 trend 1970–1990 trend Circus cyaneus

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