AVILON Wildlife Conservation Foundation is a non-profit organization that is committed to significantly contribute to Philippine wildlife conservation efforts through education and ex situ species preservation programs. AVILON Wildlife Conservation Foundation is an internationally recognized and accredited zoological institution in the Philippines and is a member of the Southeast Asian Zoos Association (SEAZA), a regional organization member of the World Association of Zoos and Aquariums (WAZA). The foundation currently runs AVILON ZOO in Rodriguez, Rizal and ARK AVILON ZOO in Pasig City.
AVILON ZOO has successfully bred the Gray's Monitor Lizard (Varanus olivaceus) or "Butaan" in captivity. The first documented V. olivaceus successfully hatched and reared in captivity was a female named “Grasya”. The successful hatching was featured in ANIMAL PLANET’s “BUTAAN: The Lost Dragon”.