The ground squirrel gayly chirps by his den.

地松在窝边欢快地叫着。

This “dog” is actually a small ground squirrel that forms large underground colonies.

这个“狗”实际上是一种较小的地面松，它们能够在地下建造一个地下世界。

The top spot was occupied by the golden-mantled ground squirrel, at 120Hz.

最高的是地，有120赫兹。

Essentially, a Myers' Briggs personality test for ground squirrels.

大致就是为地松设计的性。

There they had been studying the behavior of golden-mantled ground squirrels for over 30 years.

当时他们在那里研究金背地松行为已经有30年了。

Marmots are members of the Sciuridae family, which makes the groundhog just a really big ground squirrel.

旱獭属于松科，因此土拨只是种非常大的地松。

That's because a regular supply of water means a regular supply of prey, including voles and ground squirrels.

这是因为有着充足的水源遍意味着有着充足的猎物，这些猎物包括田和地。

They are large ground squirrels, about the size of an average house cat.

它们是大型地松，大小与普通家猫差不。

" What do you do when you get mad-dance a tango with a ground squirrel" ?

“当你发疯时你会怎么做——和一只地松跳探戈舞”？

These skinny, maneuverable predators were able to specialize on grassland rodents, ground squirrels, and pocket gophers.

这些骨瘦如柴、机动灵活的捕食者能够专攻草原啮齿动物、地松和地。

As far as researchers know, in lemurs and ground squirrels anyway, the animals aren’t even sleeping for most of it.

据研究人员所知，无论如何， 在狐猴和地松中，这些动物大部分时间甚至都没有睡觉。

Since squirrels haven't been shown to recognize their own reflections, this trial let researchers observe how a ground squirrel would treat another member of its species.

由于地松并未显示它们认识自己的倒影，这项可让研究人员观察它们如何对待同类。

Compared to its more famous, bushy-tailed cousin the tree squirrel, the golden-mantled ground squirrel looks a lot like a chipmunk and spends most of the year hibernating.

对比更出名的尾巴蓬蓬树松亲戚，金背地松得更像花栗并且数时间在冬眠。

This is the call of a tree hyrax, a small, furry mammal that looks like a cross between a groundhog and a ground squirrel—minus the bushy tail.

这是一种树蹄兔的叫声，它是一种毛茸茸的小型哺乳动物，看起来像土拨和地松的杂交种——减去浓密的尾巴。

Doctors said the 15-year-old herder from a mountain village caught the disease through being bitten by an infected flea possibly from a marmot, a type of ground squirrel that is sometimes cooked for food.

医生称这名来自山村的15岁牧童因被感染跳蚤叮咬而染上该病，而跳蚤可能来自土拨，这是一种地松，有时被当做食物来烹调。

It's occurred to me that a ground squirrel or a city robin is in some ways wilder than these wolves, because although they might live in a city, no one is managing their day-to-day life.

我突然想到地松和城市知更鸟在某些层面上比这些狼还更野生，因为虽然它们住在城市里，但是没有人管理它们的日常生活。

Ants and ground squirrels were getting ready for their summer work, rubbing their benumbed limbs, and sunning themselves on the husk-piles before their doors, and spiders were busy mending their old webs, or weaving new ones.

蚂蚁和地松正在为他们的夏季工作做准备，他们揉着麻木的四肢，在门前的稻壳堆上晒太阳，蜘蛛忙着修补它们的旧网或织新网。

Importantly, the ground squirrels' personalities tracked with their success in the wild: the squirrels that were bolder, more active, aggressive, and social were more likely to access elevated perches where they could keep a better eye out for predators.

重要的是，地松与其野外的成就有关联：更勇敢、有活力、有进取心和会社交的地松更容易站上高枝，密切注意捕食者。