Long-distance fishing flights of the breeding Caspian Tern Hydroprogne caspia
Viittaaminen
Soikkeli, M. (1973). Long-distance fishing flights of the breeding Caspian Tern Hydroprogne caspia. Ornis Fennica, 50(1), 47–48. Noudettu osoitteesta https://ornisfennica.journal.fi/article/view/132849
