Opened on Memorial Day weekend 2005, zoo visitors can now view dolphins from underneath the surface of the water.

Approximately 600 to 700 zoo visitors witnessed Knut's death.

Ms. Tryon explained that it is important for zoo visitors to see the relationship between plants and animals.

Very strong six-inch glass was put up between him and the zoo visitors.

Where is the crazy bear, zoo visitors are asking.

The zoo visitors all thought she was merely an unusually ugly member of their own species.

The sheep station offers zoo visitors a peek into Australian home life.

He said the cull was initiated "to break a barrier of fear" which had been developed amongst zoo visitors.

A 1996 zoo visitor reported an incident in which a tiger leapt and got a paw on top of the wall but slipped down.

But Danny is the more typical zoo visitor.