Swimming reptilian bird (Hesperornis regalis) Wellcome M0006026.jpg
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Swimming reptilian bird (Hesperornis regalis) Wellcome M0006026, Swimming reptilian bird (Hesperornis regalis) from the upper cretaceous of Kansas. Wellcome Images Keywords: Geology
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Swimming reptilian bird (Hesperornis regalis) Wellcome M0006026, Aves life restorations (20th century), Illustrations by Gerhard Heilmann, Hesperornis life restorations, Swimming reptilian bird (Hesperornis regalis)
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カンザス州の上部白亜紀から、虫類の鳥を泳ぐ。Wellcome Imagesキーワード:Geology
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レプティリアンバード
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reptilian saurian