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Conservation

IUCN Red List

The global assessment of extinction risk, with categories from Least Concern to Extinct.

Threatened categories are Vulnerable, Endangered and Critically Endangered.

Conservation

Related terms

Flyway The whole area used by a migratory bird population, from breeding to non-breeding grounds.

Stopover site A place where migrating birds rest and refuel on their journey.

Important Bird Area A site identified by BirdLife International as globally important for birds, using standard criteria.

Endemic A species found naturally in only one area, such as a single country, island or mountain range.

Altitudinal migration Seasonal movement up and down mountains rather than north and south.

Bottleneck A place where migrating birds are funnelled together, such as a strait, isthmus or mountain pass.

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