sentences:  Its vision is the world's amphibians safe in nature, and its mission is ensuring the global survival of amphibians, focusing on those that cannot be safeguarded in nature.Amphibian Ark staff coordinate "ex situ" amphibian programs implemented by partners around the world, with the first emphasis on programs within the range countries of the species, and with an obligation to couple "ex situ" conservation measures with protection or restoration of species in their natural habitats.An AArk Steering Committee, with Executive Co-Chairs from each of the three principal partners, provide guidance on the activities of the AArk and ensure communication with stakeholders.