| The IUCN Red List Categories and Criteria are an objective and widely accepted system for classifying species at high risk of extinction. BirdLife coordinates the assessment of the status of the world’s birds using these categories and criteria and, as the official Red Listing Authority for birds for the IUCN Red List.............. | ![]() |
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Extinct species
BirdLife in Asia # 28
The Quarterly Newsletter 28"The Convention on Biological Diversity (CBD) is important, especially for BirdLife, because it has the most comprehensive mandate amongst the international treaties dealing with biodiversity. In contrast to other treaties which are mostly single-issue agreements (eg wetlands, climate change, international trade, desertification); the mandate of the CBD encompasses all these issues and more. It is also important because the Convention has near-universal acceptance as it has been ratified by 192 countries. "......... BirdLife Asia division latest news letter is now downloadable |
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Regional variation in the composition and structure of mixed-species bird flocks in the Western Ghats and Sri Lanka
Keywords: Bird communities, biogeography, mixedspecies flocks, Western Ghats.
Mixed-species bird flocks are attractive models for the investigation of geographical variation in animal communities, as they represent a subset of the avifauna in most forested regions of the world. Yet studies of the regional variation in flock size and the composition of flocks are few,.......... [More......]
