Each individual animal represents exactly half of the characteristics potential in his parents.

Between the areas visitors can see about 1500 animals representing 200 species.

Over the years it has grown to include 725 animals representing more than 200 species.

The zoo has about 900 animals, representing almost 100 species.

Today the zoo has more than 100 animals representing about 40 different species.

Each animal represents a particular set of characteristic which can be positive or negative.

There are about 5,000 animals representing nearly 500 species.

The zoo opened in its current location on 22 August 1953, with 143 animals representing 69 species.

The population typically ranges from 75 to 100 animals representing between 40 and 50 species some of which are endangered.

The zoo has nearly 2,500 animals representing 436 species.