Jensen, G H, Johnson, F A, Baveco, H, Koffijberg, K, Goedhart, P W, McKenzie, R & Madsen, J 2022, EGMP Population Status and Assessment Report 2022 . vol. 20, AEWA European Goose Management Platform Data Centre, Aarhus, Denmark . < https://egmp.aewa.info/sites/default/files/download/population_status_reports/Population%20Status%20and%20Assessment%20Report%202022.pdf >
Heldbjerg, H, Johnson, F A, Koffijberg, K, McKenzie, R, Nagy, S, Jensen, G H & Madsen, J 2021, EGMP Population Status and Assessment Report 2021 . EGMP Technical Report, no. 19, AEWA European Goose Management Platform Data Centre . < https://egmp.aewa.info/sites/default/files/download/population_status_reports/aewa_egmp_population_status_report_2021_0.pdf >
Heldbjerg, H, Jensen, G H, Madsen, J, Koffijberg, K, Langendoen, T & Nagy, S 2020, Greylag Goose Northwest/Southwest European population status report 2016-2019 . AEWA European Goose Management Platform Data Centre, S.l. < https://egmp.aewa.info/sites/default/files/meeting_files/documents/AEWA_EGM_IWG_5_13_GG_Status_Report.pdf >
Heldbjerg, H, Fox, A D, Christensen, T K, Clausen, P, Kampe-Persson, H, Koffijberg, K, Kostiushyn, V, Liljebäck, N, Mitchell, C, Nilsson, L, Rozenfeld, S, Skyllberg, U & Alhainen, M 2020, Taiga Bean Goose Population Status Report 2019-2020 : Report prepared by the AEWA European Goose Management Platform (EGMP) Data Centre . AEWA European Goose Management Platform Data Centre, S.l. < https://egmp.aewa.info/sites/default/files/meeting_files/documents/AEWA_EGM_IWG_5_10_TBG_Population_Status_Report_2019_2020_Rev.1.pdf >