See also 1999 in birding and ornithology, main events of 2000, other specialist lists of events in 2000 and 2001 in birding and ornithology

Worldwide

New species

See also Bird species new to science described in the 2000s

• Foothill Elaenia Myiopagis olallai from Ecuador and Peru is described as new to science in The Wilson Bulletin
• Caatinga Antwren Herpsilochmus sellowi from Brazil is described as new to science in the American journal The Auk
• Taiwan Bush-Warbler Bradypterus alishanensis is described as new to science in the American journal The Auk
• Scarlet-banded Barbet Capito wallacei is described as new to science.

Rediscoveries

• Four pairs of Chinese Crested Tern are found breeding on the Matsu Islands, the first sighting anywhere in the world since 1991.

Taxonomic developments

To be completed

Ornithologists

Deaths

• 12 April - Ronald Lockley (b. 1903)

Europe

Britain

Breeding birds

To be completed

Migrant and wintering birds

• Several hundred Honey Buzzards pass through during the autumn.

Rare birds

• Two Zitting Cisticolas in Dorset are the third and fourth for Britain.
• A Swinhoe's Storm Petrel near Aberdeen in July is the first for Scotland and eighth for Britain.
• Britain's first Siberian Blue Robin is seen in Suffolk during October.
• Britain's first Long-tailed Shrike is found in the Outer Hebrides in November.

Other Events

• The British Birdwatching Fair has albatrosses as its theme for the year.

Ireland

• A Blue-winged Warbler at Cape Clear in October is the first record for Europe.

Scandinavia

To be completed

North America

To be completed

Asia

To be completed