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
Newquay Zoo animal species held at the zoo are listed as threatened or endangered species on the Red Data lists produced by the IUCN. The zoo has an immersive tropical house exhibit which houses rainforest plants and animals including a sloth, tropical birds, reptiles and insects. An additional paddock enclosure area of several acres (formerly a disused school playing field) was added to form the African Savanna area for mixed Hoofstock including Chapman's Zebra, Nyala and Black Wildebeest. This small 2009 expansion created the opportunity to reuse the old mixed African Plains exhibit, redeveloped into the Philippines area replaced the , now