Scottish Natural Heritage Commissioned Report No. 703 Breeding success of cliff nesting seabirds in Mainland Orkney in 2013 and initial review of Orkney seabird monitoring COMMISSIONED REPORT Commissioned Report No. 703 Breeding success of cliff nesting seabirds in Mainland Orkney in 2013 and initial review of Orkney seabird monitoring For further information on this report please contact: Alex Robbins Scottish Natural Heritage Battleby Redgorton PERTH PH1 3EW Telephone: 01738 458653 E-mail:
[email protected] This report should be quoted as: McMurdo Hamilton, T. 2016. Breeding success of cliff nesting seabirds in Mainland Orkney in 2013 and initial review of Orkney seabird monitoring. Scottish Natural Heritage Commissioned Report No. 703. This report, or any part of it, should not be reproduced without the permission of Scottish Natural Heritage. This permission will not be withheld unreasonably. The views expressed by the author(s) of this report should not be taken as the views and policies of Scottish Natural Heritage. © Scottish Natural Heritage 2016. COMMISSIONED REPORT Summary Breeding success of cliff nesting seabirds in Mainland Orkney in 2013 and initial review of Orkney seabird monitoring Commissioned Report No. 703 Project No: 14656 Contractor: RSPB Year of publication: 2016 Keywords Seabirds; Orkney; plot monitoring; breeding productivity. Background Populations of selected cliff-nesting seabirds at colonies in Mainland Orkney have been monitored by JNCC (formerly NCC) since 1976. Breeding success was also monitored for