Bird stomach contents analysis - final report: Goosander and Cormorant diet on four Scottish rivers 2019 to 2020

This study analysed the stomach contents of goosanders and cormorants collected from the Rivers Tweed, Dee, Nith and Spey during 2019 and 2020 in order to to assess whether there was evidence of substantial changes in the diets of these species of fish-eating birds since the 1990s.


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UK Centre for Ecology & Hydrology

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The UK Centre for Ecology & Hydrology (UKCEH) is a registered Charity in England & Wales (number 1185618) and in Scotland (number SC049849), and a registered Company Limited by Guarantee in England & Wales (number 11314957).

The Centre owns a registered trading subsidiary, the UK Centre for Ecology & Hydrology Enterprise, a Company Limited by Shares (number 12251749), which supports our charitable purpose.

The registered office of the UK Centre for Ecology & Hydrology is at the Maclean Building, Benson Lane, Crowmarsh Gifford, Wallingford, Oxfordshire, OX10 8BB, UK.

This report presents the results work carried out for Marine Scotland under external commission.

Marine Scotland is the directorate of the Scottish Government responsible for the integrated management of Scotland’s seas. Marine Scotland Science provides expert scientific and technical advice on marine and fisheries issues. These reports are not subject to formal external peer review.

While every effort has been made to make this publication accessible to all, some sections may remain inaccessible due to the nature of the content. If you are unable to access any content you require, please contact salmonandrecreationalfisheries@gov.scot

Client - Scottish Government

Client reference - CASE/208582

Confidentiality, copyright and reproduction - As per contract

UKCEH reference - NEC07206

UKCEH contact details -

David N Carss

UK Centre for Ecology & Hydrology Bush Estate, Penicuik, Midlothian EH26 0QB

t: 0131 445 8473

e. dnc@ceh.ac.uk

Author - David N Carss

Approved by - Richard Pywell

Signed

Date 4 - June 2022

Contact

Email: SalmonandRecreationalFisheries@gov.scot

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