Squirrels are members of the family Sciuridae, a family that includes small or medium size rodents. The squirrel family includes tree squirrels, ground squirrels, chipmunks, marmots including woodchucks, flying squirrels, and prairie dogs amongst other rodents. Squirrels are indigenous to the Americas, Eurasia, and Africa, and were introduced by humans to Australia. The earliest known squirrels date from the Eocene period and are most closely related to the mountain beaver and to the dormouse among other living rodent families.
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137388409
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Ramalingam1990
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授權類型 | 尺寸 | 像素 | 格式 | 點數 | |
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標準授權 | S | 533 x 800 | JPG | 15 | |
標準授權 | M | 1414 x 2121 | JPG | 18 | |
標準授權 | L | 1825 x 2738 | JPG | 20 | |
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進階授權 | WEL | 4000 x 6000 | JPG | 88 | |
進階授權 | PEL | 4000 x 6000 | JPG | 88 | |
進階授權 | UEL | 4000 x 6000 | JPG | 88 |
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標準授權 | 320 x 480 px | JPG | 13 點 |
標準授權 | 533 x 800 px | JPG | 15 點 |
標準授權 | 1414 x 2121 px | JPG | 18 點 |
標準授權 | 1825 x 2738 px | JPG | 20 點 |
標準授權 | 2309 x 3464 px | JPG | 22 點 |
標準授權 | 4000 x 6000 px | JPG | 23 點 |
標準授權 | 5657 x 8485 px | TIF | 39 點 |
進階授權 | 4000 x 6000 px | JPG | 88 點 |
進階授權 | 4000 x 6000 px | JPG | 88 點 |
進階授權 | 4000 x 6000 px | JPG | 88 點 |