Hesperornis ancient bird, illustration

Royal Western Bird (Hesperornis regalis) dated to 83.5-78 mya, was a flightless, toothed, marine bird, similar to the modern day loon, that used its powerful legs for underwater propulsion, and wings (although not flight capable) for steering

Restrictions Only for Ireland and United Kingdom

Ancestor Flightless Hesperornis Tooth Toothed

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