Surabaya Zoo performed on the animals found plastic and wood inside the animals. The death of Melani the tiger, one of only a few hundred Sumatran tigers left in the world, outraged animal activists when it was discovered that the tiger was suffering from extreme digestive disorders before being rescued from the zoo. On 28 January 2014 Surabaya Zoo authority announced that the zoo has a collection of 3,459 animals from 197 species, but 81 animals are sick, disabled, and old, and 44 of which are in severe conditions. An online petition that calls for the closure of Surabaya Zoo due to
Zoo Ave various parts of the country, in order to promote the concept of conservation of tropical habitat, were introduced. Zoo Ave devotes part of its activity to research, captive breeding of species of tropical flora and fauna, including reptiles since 1999, environmental education, conservation and rehabilitation of injured, orphan or recovered animal species. Zoo Ave has an area of approximately 35 acres with a main nature trail circuit that displays wild animal enclosures and education against animal mistreating. A breeding center and the veterinary rescue center are in the Zoo Ave campus but off limits to visitors. Zoo Ave Rescate Animal