Guindy National Park is home to 400 black bucks, 2000 spotted deer, 24 jackals, a variety of snakes, geckos, a wide variety of snakes tortoises, geckos and over 100 species of birds, over 60 species of butterflies and spiders each, a wealth of different invertebrates-grasshoppers, ants, termites, carbs, snails, slugs, scorpions, mites, spiders, earthworms, millipedes, etc., These are free-ranging fauna and live with the minimal of interference from human beings. The only major management activity is protection as in other in situ conseration area. The park boasts of over 350 species of plants, and form a natural destination for botanists.
About 22 acres of GNP has been carved out into a zoo for ex-situ conservation. This entails keeping different species in captivity on view to public. Children’s park - the zoo was started with the idea of providing children a natural environment, to educate them about animals and create awareness on conservation. The animals, have bred well in recent years. In children’s park include black buck, sambar, spotted deer, porcupine, hyena, jackal, python, grey pelican, night heron, cormorant, cockatiel, mongoose, bonnet monkey, common langur.