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IUCN Red List Categories – Terms & Definitions

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.............. bird life science

Revised avifaunal list of Sri Lanka

Last taxonomic list of birds was published in 2006 as a part of National effort to document the fauna of Sri Lanka. However, due to recent advancement in researches in the region, taxonomy of birds undergone several changes. Since, FOGSL now adopts......... Sri Lanka birds check list

IUCN Red List Criteria

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.............. Red list criteria

Population and Trend

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.............. Red list criteria

Range and Country Distribution

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.............. Red list criteria

Habitats and Altitude

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.............. Red list criteria

Threats, stresses and impact

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.............. Red list criteria

Data Quality and Data Derivation

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.............. Red list criteria