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Hesperornis, the Great Toothed Diver

Hesperornis, the Great Toothed Diver.jpg Nature's Four Methods of Making a Wing - Bat, Pteryodactyl, Archæopteryx, and Modern BirdThumbnailsYoung HoactzinsNature's Four Methods of Making a Wing - Bat, Pteryodactyl, Archæopteryx, and Modern BirdThumbnailsYoung HoactzinsNature's Four Methods of Making a Wing - Bat, Pteryodactyl, Archæopteryx, and Modern BirdThumbnailsYoung HoactzinsNature's Four Methods of Making a Wing - Bat, Pteryodactyl, Archæopteryx, and Modern BirdThumbnailsYoung HoactzinsNature's Four Methods of Making a Wing - Bat, Pteryodactyl, Archæopteryx, and Modern BirdThumbnailsYoung Hoactzins