London Zoo used to keep a bird in this way.

London Zoo soon had the most extensive collection of animals in the world.

It may still be too late for the London Zoo.

The animals were moved to the London Zoo when it opened.

The program was shot on location at the London Zoo and shown in 1988.

"I met him at the London Zoo," he said with a straight face.

London Zoo is within the park, as is an open air theatre.

There are a few captive populations, taken for conservation reasons, the largest being at London zoo.

London Zoo is counting all their animals this month.

The world's first public aquarium opens at the London Zoo.