122. Ferland-Raymond, B., M. Bachand, D. Thomas, & K. Bildstein. 2005. Flapping rates of migrating and foraging Turkey Vultures Cathartes aurain Costa Rica. Vulture News 53:4-9. | Hawk Mountain Sanctuary: Learn Visit Join

122. Ferland-Raymond, B., M. Bachand, D. Thomas, & K. Bildstein. 2005. Flapping rates of migrating and foraging Turkey Vultures Cathartes aurain Costa Rica. Vulture News 53:4-9.

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