The RSPB: Shag

Shag

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Latin name

Phalacrocorax aristotelis

Family

Cormorants and shags (Phalacrocoracidae)

Overview

Shags are goose-sized dark long-necked birds similar to cormorants but smaller and generally slimmer with a characteristic steep forehead. In the breeding season adults develop a dark glossy green plumage and prominent recurved crest on the front of their head. In the UK they breed on coastal sites, mainly in the north and west, and over half their population is found at fewer than 10 sites, making them an Amber List species. Shags usually stay within 100-200km of their breeding grounds.

Where to see them

During the breeding season at their large Scottish colonies on Orkney, Shetland, the Inner Hebrides and the Firth of Forth. Elsewhere they can be seen commonly around the coasts of Wales and South West England (especially Devon and Cornwall).

When to see them

All year round

What they eat

Fish and occasionally crustacea and molluscs.

Estimated numbers

Europe	UK breeding*	UK wintering*	UK passage*
-	27,477 pairs	100-150,000 birds	-

* UK breeding is the number of pairs breeding annually. UK wintering is the number of individuals present from October to March. UK passage is the number of individuals passing through on migration in spring and/or autumn.

Distribution

Key

Please note that the map is only intended as a guide. It shows general distribution rather than detailed, localised populations.

Find out more

Audio is from commercial recordings Bird Songs and Calls of Britain and Europe on 4 CDs or Bird Sounds of Europe & North-west Africa, copyright WildSounds & CEBA (www.wildsounds.com, (UK) +44 (0) 1263 741100)