gray squirrel

Large gray ground squirrel of rocky areas of the southwestern United States.

美国西南部多岩地区的大型灰色地松鼠。

State and federal agriculture and wildlife officials boarded the plane, set traps and captured the eastern gray squirrel.

国家及联邦农业及野生动物官员登上飞机，设下陷阱，抓住了这只东灰松鼠。

Investigation of Sex Ratio of Gray Squirrel ( Sciurus vulgaris) in the Region of Sun Island with Molecular Scatology Method

应用分子粪便学方法调查太阳岛地区灰松鼠性别比例

Is it Usain Bolt, gray squirrel, Michael Phelps, or roadrunner?

它是：尤塞恩•博尔特，灰松鼠，迈克尔•菲尔普斯，还是走鹃（一种鸟类）？

The most common squirrels in the United States are the red squirrel and the gray squirrel.

美国最常见的松鼠是红松鼠和灰松鼠。

Large gray squirrel of far western areas of United States.

美国偏远西部地区的大型灰色松鼠。

And the PCR was used to amplify SRY gene. The result showed that the method of extraction DNA from the faeces of gray squirrel was simple and cheap. And the sex ratio of female to male animals there is 59/ 27.

结果表明，应用该法提取DNA方法简单易行，价格低廉，PCR检测太阳岛地区灰松鼠雌雄比例为59∶27。