Park Service rangers explain that mother bats find their babies by remembering their location, their smell and the sound of their cry.

VOA: special.2009.12.07

And the one team bats first,

一个队先击球，

板球的规则 - SpeakingMax英语口语达人

While the adults go out at night for food, the young bats hang out in the cave for four or five weeks.

VOA: special.2009.12.07

Finally,in late October or early November, the bats all leave and return to Mexico.

VOA: special.2009.12.07

The bats fly to nearby river valleys to feed on night-flying insects.

VOA: special.2011.04.11

It looks like five wildly formed baseball bats hanging from a holder.

VOA: special.2011.01.14

The more I thought of it the more I realized that any hole in the ground that could house such a gigantic army of bats must be a whale of a big cave .

VOA: special.2009.12.07

"The more I thought of it the more I realized that any hole in the ground that could house such a gigantic army of bats must be a whale of a big cave ...

VOA: special.2011.04.11

Then I began investigating. I worked my way through the rocks and brush until I found myself gazing into the biggest and blackest hole I had ever seen, out of which the bats seemed literally to boil .

VOA: special.2009.12.07

Here is a reading of his description of his first sight of the bats and the big cave: "I thought it was a volcano, but then,I'd never seen a volcano nor never before had I seen bats swarm, for that matter.

VOA: special.2009.12.07

One politician sparked outrage when he suggested that residents kill the hated toads with cricket bats and golf clubs.

VOA: standard.2010.02.07

Others include whales, elephants,and bats. Researchers have been studying the zebra finch to try to identify the genes that make this vocal learning possible.

VOA: standard.2010.04.05