Wintering, rather than breeding, oceanic conditions may modulate declining survival in a long-distance migratory seabird
K. Snell, I. A. M. d. Santos, R. van Bemmelen, B. Moe, K. Thorup
The paper investigates survival trends in Arctic skuas, finding a decline in adult survival and a positive effect of El Niño on young survival, suggesting environmental conditions during non-breeding periods influence population dynamics.
bioRxiv · Nov 10, 2023Ecology