Photograph of beaver swimming on the shore line snake river at grand teton national park 免版税库存照片 photograph of beaver swimming on the shore line snake river at grand teton national park
一只海狸（Castor canadensis）在水中游动，携带着带叶子的树枝，它的尾巴在水面上可见。这根树枝可能属于杨树（Populus 免版税库存照片 一只海狸（Castor canadensis）在水中游动，携带着带叶子的树枝，它的尾巴在水面上可见。这根树枝可能属于杨树（Populus
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