And,like birds they have a single opening with which they produce eggs, have sex and expel waste.

VOA: special.2009.07.07

That means it is easier for planes with only two engines to strike a flock of birds and lose power in both engines.

VOA: special.2009.04.01

The white swan - with its long,graceful neck - is among the most beautiful of birds.

VOA: special.2010.04.11

The birds spread out from one another to do this, and they spread with increasing speed.

VOA: special.2010.03.02

It is a circular image with many layers of flying birds.

VOA: special.2009.09.02

Other birds have spread quickly across areas with heavy air traffic.

VOA: special.2009.04.01

This is called killing two birds with one stone.

VOA: special.2010.06.13

Sometimes we can kill two birds with one stone.

VOA: special.2009.07.26

He collected birds,each with different beaks.

VOA: special.2009.02.25

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

VOA: standard.2010.05.09

It loosens the oil up." Then they bathe the birds with dishwashing liquid.

VOA: standard.2010.06.08