He says they are part of the genome of the last common ancestor of all birds,frogs, dinosaurs and mammals.

VOA: special.2010.06.29

Yet their genetics have caused pandas to develop more slowly than human beings and other mammals.

VOA: special.2010.01.19

The Everglades is also home to forty species of mammals and fifty reptile species.

VOA: special.2009.06.30

The Galapagos Islands are home to many unusual birds, reptiles and small mammals.

VOA: special.2009.12.16

But echidnas are mammals, so they feed their young, called puggles,with milk.

VOA: special.2009.07.07

Cows are like all mammals: they produce milk for their young.

VOA: special.2009.07.21

Echidnas are part of a group of egg-laying mammals called monotremes.

VOA: special.2009.07.07

And there are more than forty kinds of mammals.

VOA: special.2010.01.04

The rafts also can hold small mammals and reptiles.

VOA: special.2009.12.16

So do mammals and reptiles.

VOA: special.2011.08.03

The marsh is home to a vast array of plants,fish, reptiles like the North American Alligator, and mammals.

VOA: standard.2010.05.09

During their six-week voyage, researchers will employ a range of techniques to unlock some of the secrets of the giant marine mammals.

VOA: standard.2010.01.05

And then you have issues such as birds and mammals coated with oil."

VOA: standard.2010.05.09

"It could be taken up by crustaceans like shrimp crabs, things like that which are the base of the food chain and that could be passed up to fish and then mammals and the toxins could be concentrated and that could be harmful to animals that feed on these smaller organisms."

VOA: standard.2010.05.09