1000 Critically Endangered, Endangered and Vulnerable Bird Species Are Currently in Decline

Of the world’s threatened birds (n = 1,253 Critically Endangered, Endangered and Vulnerable bird species. Analysis of data held in BirdLife’s World Bird Database, 2011), over 80% have populations that are currently in decline, just 9% are stable, whilst only 5% are increasing (largely owing to conservation action). For 3%, the direction of the current trend is unknown or unset.

Source:
BirdLife International (2011) Most threatened birds are in decline. Presented as part of the BirdLife State of the world's birds website. Available from: http://www.birdlife.org/datazone/sowb/casestudy/117. Checked: 25/07/2011

http://www.birdlife.org/datazone/sowb/casestudy/117