Parasitic Jaeger (Stercorarius parasiticus)

@article{Wiley2020ParasiticJ,
  title={Parasitic Jaeger (Stercorarius parasiticus)},
  author={Rh. Wiley and David S. Lee and Aaron K. Poole and Frank B. Gill},
  journal={Birds of the World},
  year={2020}
}

Sympatrically breeding congeneric seabirds (Stercorarius spp.) from Arctic Canada migrate to four oceans

Abstract Polar systems of avian migration remain unpredictable. For seabirds nesting in the Nearctic, it is often difficult to predict which of the world's oceans birds will migrate to after