Skip to main content

Journal
British Birds Journal

British Birds Journal

Latest issue

All articles

Issues by year

About the journal

Shop
Rarities
British Birds Rarities Committee

British Birds Rarities Committee

Rare birds

Records

Rarities committee news

Annual rare bird reports

Carl Zeiss awards

About BBRC
Grants
British Birds Charitable Trust

British Birds Charitable Trust

What we have funded

How to apply

About the Charitable Trust
Resources
Resources

Resources

Bird recording

Birders code of conduct

British Birds list
News
Subscribe
Renew

Secondary main menu

Subscribe
Renew
Sign in
Account
Subscribe
Search

Search
X

<

Sign in or subscribe to read this article in full

Subscribe

HomeJournalYears2012BTO research update

BTO research update

Sign in Subscribe

BTO research update

December 2012

BTO research update

2012 Vol.105: Pages 744–746

< Previous article Next article >

Hide featured image on article page

On

Volume

Sign in Subscribe

About
Contact

Follow us on
fb
tw

Get the latest from British Birds

Sign up to receive our monthly email newsletter. Exclusive content, book reviews, rarities, special offers and more.

Sign up for emails

Terms and conditions
Privacy policy
Manage cookies

British Birds, 4 Harlequin Gardens, East Sussex, TN37 7PF