One of the rarest species of mangrove tree grows in just a few places in East Asia and India.

VOA: special.2010.04.20

It says that nearly one third of about eight hundred bird species in the United States are threatened in some way.

VOA: special.2009.05.12

But the report lists one hundred eight-four species that are considered in danger because of limited habitat, serious threats or falling populations.

VOA: special.2009.05.12

More than one third of all threatened or endangered bird species in America live on the Hawaiian Islands.

VOA: special.2009.05.12

They learned that the wild cats might be of two species instead of just one.

VOA: special.2010.06.22

Xenopus tropicalis is one of twenty frog species native to Africa, south of the Sahara.

VOA: special.2010.06.29

Vertebrate species,for example, decreased by nearly one-third between nineteen seventy and two thousand six.

VOA: special.2010.05.25

One hundred thirty-nine wetland species have increased in number since the late nineteen-seventies.

VOA: special.2009.05.12

became a national best-seller. One hundred fifty years after "On the Origin of Species" first appeared, it remains one of the most influential and debated books ever written.

VOA: special.2009.12.01

Today,thirty-one Hawaiian species are federally listed as endangered or threatened.

VOA: special.2009.05.12

For example,Costa Rica has one thousand five hundred species.

VOA: special.2010.04.06

One hundred thirteen bird species are found nowhere else.

VOA: special.2009.05.12

One corner of the garden is devoted to South African plants under threat from agriculture, housing and invasive plant species.

VOA: standard.2010.08.09

Gradually,Asian Carp edge out the other native species in the river until they are one of the only kinds of fish left.

VOA: standard.2010.07.20

"You are probably going to see several hundred species at one time at the exhibit.

VOA: standard.2010.02.21

"So when you destroy an individual's ability to communicate, you have really destroyed one of the most important aspects that we have as a species."

VOA: standard.2010.02.11

"You paddle out every morning and a sea turtle might be swimming around, birds diving around you, you might even see a shark fin or dolphins and you realize you're just one citizen among all these other species.

VOA: standard.2010.08.04