Bustnes JO, Helberg M, Bårdsen B-J. Reproductive success of threatened northern Lesser Black-backed Gulls (Larus fuscus fuscus) in relation to nest predation by Ravens (Corvus corax). Ornis Fenn [Internet]. 2022Jun.26 [cited 2025Jun.1];99(1):1-14. Available from: https://ornisfennica.journal.fi/article/view/115081