Copyright: AW/monacoeye • Iceland, May 2011 • Do not copy without permission

Bird name: Parasitic Jaeger
Latin: Stercorarius parasiticus
Other: Arctic Skua • Labbe parasite (Fr) • Schmarotzerraubmöwe (De) • págalo parásito (Es) • labbo (It) • kleine jager (Nl) • Kustlabb (Sv) • Moleiro-parasítico (Pt)
Family: Stercorariidae • Skuas, Jaegers
Range: Iceland, N North America, Eurasia - Southern oceans
Similar: Long-tailed Skua

The Parasitic Jaeger, or Actic Skua, seen here over land in Iceland, and identified by the long tail feathers.

Copyright: RN/monacoeye • Do not copy without permission • Isla Martillo, Jan 2010

Bird name: Chilean Skua
Latin: Stercorarius chilensis
Other: Págalo chileno, escúa común, escúa chileno (Es)
Family: Stercorariidae • Skuas
Range: Argentina, Chile to Brazil, Peru
Similar: Brown Skua

These are most probably Chilean Skuas, (above with Magellanic Penguins behind) spotted by Becky down in Tierra del Fuego. Dark cap, cinnamon throat.
More photos...

067 Stercorariidae - Skuas - IOC 2.5 - 2010

Stercorarius chilensis - Chilean Skua - S coasts & oceans
Stercorarius maccormicki - South Polar Skua - coasts - N oceans
Stercorarius antarcticus - Brown Skua - oceans & islands - Was Subantarctic Skua to Brown Skua
Stercorarius skua - Great Skua - NW islands & coasts - N Atlantic
Stercorarius pomarinus - Pomarine Skua - N North America, Eurasia - temperate & tropical oceans - more closely related to large skuas than to traditional jaegers
Stercorarius parasiticus - Parasitic Jaeger - N North America, Eurasia - S oceans - German Jaeger for Stercorarius parasiticus and S. longicaudus?
Stercorarius longicaudus - Long-tailed Jaeger - N North America, Eurasia - subantarctic oceans