Simón Bolivar Zoo is the city's only zoological institution, and includes a large variety of species of animals and plants, both national and international.

The Ecomuseum is, along with Montréal's Biodome and Insectarium, one of the key local public zoological institutions that have found innovative solutions to the problems with 'traditional zoos'.

On a surface of 77ha there are around 100 attractions, zoological institutions and museums to visit.

The Honolulu Zoo is the main zoological institution in Hawaii while the Waikiki Aquarium is a working marine biology laboratory.

When possible, modern zoological institutions attempt to maintain a viable population for species preservation and possible future reintroduction to the wild through use of carefully planned breeding programs.

The fully captive northern white rhino population consists of only three animals, and is maintained in two zoological institutions in the U.S.A. and the Czech Republic.

Avilon Zoo is currently the largest zoological institution in the Philippines in terms of land area and collection of animals.

"Project Golden Frog" is a conservation project involving scientific, educational, and zoological institutions in the Republic of Panama and the United States.

The zoo is the only zoological institution to successfully breed Arakan forest turtles, a critically endangered species harvested nearly to extinction for food and traditional medicine.

As of May 2012, the site had documented over 1,250 births, comprising over 200 species from over 200 different zoological institutions.