The year 2004 in birding and ornithology.
Worldwide
New species
See also Bird species new to science described in the 2000s
To be completed
Rediscoveries
To be completed
Taxonomic developments
To be completed
Ornithologists
Deaths
Europe
Britain
Breeding birds
- Osprey bred for the first time in Wales.
Migrant and wintering birds
To be completed
Rare birds
Other events
Scandinavia
To be completed
North America
To be completed
References