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Facts about Great auk

8 facts squeezed so far
  1. 08

    Skeletal analysis reveals great auks possessed a distinctive knob-like projection on their skulls called an occipital crest, unique among alcid species and possibly used in aggressive territorial displays.

    Great aukMay 14anatomybehaviorbiology
  2. 07

    European egg collectors in the 1800s valued great auk eggs at astronomical prices, with single specimens commanding up to 200 pounds sterling on the black market.

    Great aukMay 14huntingextinctioneconomics
  3. 06

    Subfossil bones indicate great auks could dive to depths exceeding 300 feet while hunting, surpassing most modern seabird species in diving capability.

    Great aukMay 14biologyphysiologyadaptation
  4. 05

    Colonies of great auks could span several acres on remote islands, with nesting sites so densely packed that birds occupied nearly every available rock crevice and ground space.

    Great aukMay 14biologybehaviorhabitat
  5. 04

    Archaeological evidence shows great auks consumed primarily small fish and krill, leaving behind fossilized stomach contents and bone isotope signatures revealing their marine diet.

    Great aukMay 14dietpaleontologybiology
  6. 03

    Fossils and skeletal remains reveal great auks possessed specialized flipper-like wings adapted for underwater propulsion rather than flight, similar to modern penguins.

    Great aukMay 14anatomyadaptationpaleontology
  7. 02

    Standing nearly 30 inches tall and weighing up to 5 pounds, great auks were flightless seabirds that nested in massive colonies numbering in the hundreds of thousands before European hunting reduced them to extinction.

    Great aukMay 14biologymeasurementextinction
  8. 01

    The last great auk breeding pair was killed on Eldey Island off Iceland in 1844, extinguishing the species forever.

    Great aukMay 14extinctionhistorygeography