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

Have you ever observed that birds of a feather flock together?

VOA: special.2010.06.13

One example is "Birds of a feather flock together."

VOA: special.2009.03.01

In addition,hundreds of other bands, not part of the official proceedings, also flock to town, and play in driveways,backyards, storefronts,anywhere they can!

VOA: standard.2010.04.07

In Brazil,many people flock to Copacabana beach to ask the Afro-Brazilian goddess of the sea, Iemanja,a wish in exchange for a gift.

VOA: standard.2010.01.01

As has happened many times in the past, they are hoping that customers will flock back, once they get accustomed to the higher prices.

VOA: standard.2009.09.19

Millions of foreign tourists flock to Florida every year.

VOA: standard.2010.05.04