Size of fish carried by flying Red-throated Divers Gavia stellata (Pont.) to nearly fledged young in nesting tarn
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Norberg, R., & Norberg, U. M. (1976). Size of fish carried by flying Red-throated Divers Gavia stellata (Pont.) to nearly fledged young in nesting tarn. Ornis Fennica, 53(3), 92–95. Hämtad från https://ornisfennica.journal.fi/article/view/132906