Rate, timing and success of clutch replacement by colonial Griffon Vultures Gyps fulvus
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Martínez, F., Blanco, G., & Rodriguez, R. F. (1998). Rate, timing and success of clutch replacement by colonial Griffon Vultures Gyps fulvus. Ornis Fennica, 75(3), 145–148. Hämtad från https://ornisfennica.journal.fi/article/view/133488