144. Bildstein, Bechard, Campo, Farmer. 2007. Seasonal abundances and distributions of black vultures (Corragyps atratus) and turkey vultures (Cathartes Aura) in Costa Rica and Panama: Evidence for reciprocal migration in the Neotropics. Neotropical Raptors (Bildstein et al., Eds.), Pages 47-60. | Hawk Mountain Sanctuary: Learn Visit Join

144. Bildstein, Bechard, Campo, Farmer. 2007. Seasonal abundances and distributions of black vultures (Corragyps atratus) and turkey vultures (Cathartes Aura) in Costa Rica and Panama: Evidence for reciprocal migration in the Neotropics. Neotropical Raptors (Bildstein et al., Eds.), Pages 47-60.

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