• Summary
• Text account
• Data table and detailed info
• Map
• Reference and further resources

Site description (2007 baseline):

A large industrialized estuary that includes one of the four largest expanses of mudflats and tidal creeks on the south coast of Britain. The IBA holds important numbers of wintering wildfowl and waders. Branta bernicla are the bernicla subspecies.

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Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Portsmouth Harbour (United Kingdom). Downloaded from https://datazone.birdlife.org/site/factsheet/portsmouth-harbour-iba-united-kingdom on 23/11/2024.