Cargill, Chloe PauletHarrand, GeorgeChristensen Dalsgaard, SigneEzhov, Alexey V.Fijn, Ruben C.Gavrilo, Maria V.Newell, Mark A.McDougall, Carmel2025-09-092025-07-02Cargill, C P, Harrand, G, Christensen Dalsgaard, S, Ezhov, A V, Fijn, R C, Gavrilo, M V, Newell, M A & McDougall, C 2025, 'A modified primer-pair designed for the molecular sex identification of black-legged Kittiwake (Laridae: Rissa tridactyla)', Conservation Genetics Resources. https://doi.org/10.1007/s12686-025-01400-x1877-7252https://hdl.handle.net/2164/25947Open access via the Springer Nature agreement Collection of Norwegian samples and data were financed by the SEAPOP program (www.seapop.no, grant no. 192141), and the Marine Alliance for Science and Technology Scotland and Scottish Funding Council Saltire Emerging Researcher Scheme (Ref. SERS1-10). Russian samples and data were supported by the ARCTOX and SEATRACK programmes. Dutch samples and data were collected in a collaborative project between Ruben Fijn, Rob van Bemmelen (both Waardenburg Ecology) and Hans Schekkerman (Sovon), which was commissioned by TotalEnergies (Thijs Kabel and Gerry van der Meijden). Many thanks to Jerome Fort (Littoral Environnement et Sociétés), Vegard Sandøy Bråthen and Brett K. Sandercock (Norwegian Institute for Nature Research), and the Open Ocean Project (Association Maritime Heritage) field team for facilitating data collection and provision. Thank you to K. Layton, E. Ross, V. Gillman (University of Aberdeen) and A. Ellis (Scottish Oceans Institute) who provided technical support.51152790engprimerCharadriiformessexingfeatherCHD1QL ZoologyQH426 GeneticsSupplementary DataDASQLQH426Journal article10.1007/s12686-025-01400-x