Francisco Piedrahita:
Arctic Jaeger, Arctic Skua (Stercorarius parasiticus)
Francisco Piedrahita:
Arctic Jaeger, Arctic Skua (Stercorarius parasiticus)
Francisco Piedrahita:
Arctic Jaeger, Arctic Skua, Parasitic Jaeger (Stercorarius parasiticus)
Francisco Piedrahita:
Long-tailed Jaeger, Long-tailed Skua (Stercorarius longicaudus)