414. Gallego, D., M. Bowers, D. Barber, and B.M. Brown. 2025. Anomalous Double-Clutch Laying in the Black Vulture (Coragyps Atratus): Replacement Eggs or Biochemical Alterations of the Breeding Cycle?. Northeastern Naturalist Notes. Volume 32, Issue 3 (2025): N46–N50.