Byrkjedal I, Fjeldheim VB, Halvorsen LS, Lislevand T. Diet of three sympatric species of granivorous songbirds in a Norwegian high mountain area during the early breeding season. Ornis Norv. [Internet]. 2022 Dec. 5 [cited 2024 Jul. 3];45:16-2. Available from: https://boap.uib.no/index.php/ornis/article/view/3639