State of the world's birds case studies
Introduction: The importance of birds to biodiversity
State: What we know about the changing state of birds
Pressure: Why birds are declining
Response: What can be done to improve the status of birds
Latest BirdLife community news posts
111 Years of Counting: Audubon’s Christmas Bird Count

The longest running Citizen Science survey in the world, Audubon’s (BirdLife Partner in the USA) annual Christmas Bird Count (CBC) will take place from December 14, 2010 to January 5, 2011. Tens of thousands of volunteers throughout North America will brave winter weather to add a new layer to over a century of data...
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Key publications
References
Recommended Citation:
BirdLife International (2013) Country profile: Colombia. Available from: http://www.birdlife.org/datazone/country/colombia. Checked: 2013-05-24