Lötberg, U., Isaksson, N., Söderlund, L. and Åkesson, S. 2022. Conservation measures for the Caspian Tern Hydroprogne caspia at the largest colony in Sweden. Ornis Svecica. 32, (Jun. 2022), 26–37. DOI:https://doi.org/10.34080/os.v32.22569.