The Avilon Montalban Zoological Park is the largest zoological park in the Philippines. Nestled in the picturesque valley of Barrio San Isidro, Rodriguez (formerly Montalban), Rizal, Philippines, the 7.5-hectare land area of the Zoo was once raw rice land. Its large exhibits of more than 3,000 specimens of exotic and endemic animals represented by more than 600 species of birds, mammals, reptiles, fishes and invertebrates, and close to 400 species of plants, of which more than 50% are Philippine endemics, Avilon Zoo is one of the zoos in Southeast Asia having the most diverse representation of flora and fauna.