Long-term consequences of fostering: Single egg fostering leads to decreased survival in zebra finch females, but not in males
Barbara A. Caspers, Sabine Kraus, Sarah Golüke, Marta Rossi
This study found that single egg fostering in zebra finches reduces female lifespan but not male lifespan, suggesting sex-specific long-term effects of early developmental stress.
bioRxiv · Feb 3, 2026 · PreprintAnimal Behavior & Cognition