"They tend to sit and mimic whatever happens around them, whether bird noises or environmental sounds."

He could hear bird noises coming from the wood behind the house.

At last we stopped in a place that sounded like woodland, judging by the excess of bird noises.

She called birds that weren't there and made bird noises.

The device came with four speakers, fewer than some home-theater setups have, but enough to blast bird noises every 10 minutes or so.

There they were at 9:25, when the speakers played another round of bird noises.

She was making bird noises and hoisting her infant over her head.

Hysterical, chattering bird noises came from the loudspeaker on the roof.

You even hear bird noises you only hear on Caribbean islands.

While the bird noises do not penetrate the rest of the apartment because "it's a nice old building, with solid walls," avian objects are everywhere.