2021.05.04

「恐狼」非狼

這種已滅絕的巨型犬科動物是趨同演化極佳的範例。

勝者全吃：恐郎與灰狼在更新世晚期爭奪食物，此為藝術家想像圖。/ 影像來源：FROM -DIRE WOLVES WERE THE LAST OF AN ANCIENT NEW IWORLD CANID LINEAGE,' BY ANGELAR. PERRI ET AL., IN NATURE; JANUARY 13,2021 (HTTPS://DO1.0RG/10.1038/$41586-020-03082-x)

勝者全吃：恐郎與灰狼在更新世晚期爭奪食物，此為藝術家想像圖。/ 影像來源：FROM -DIRE WOLVES WERE THE LAST OF AN ANCIENT NEW IWORLD CANID LINEAGE,' BY ANGELAR. PERRI ET AL., IN NATURE; JANUARY 13,2021 (HTTPS://DO1.0RG/10.1038/$41586-020-03082-x)

© SCIENTIFIC AMERICAN, A DIVISION OF NATURE AMERICA, INC.ALL RIGHTS RESERVED.