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Ramon Efren Lazaro - The Philippine Star
May 23, 2026 | 12:00am
Handout photo provided by the Central Luzon community environment and natural resources office shows rare Biak-na-Bato limestone frogs found in Bulacan.
SAN FERNANDO, Pampanga, Philippines — Several Biak-na-Bato limestone frogs or Platymantis biak were recently spotted in the Biak-na-Bato National Park in Bulacan.
The species is among those listed as vulnerable by the Department of Environment and Natural Resources (DENR), and classified as near-threatened by the International Union for Conservation of Nature.
Dennis Vergara, chief of the Baliwag community environment and natural resources office, said the discovery was documented during a recent biodiversity monitoring system activity intended to assess wildlife populations and habitat conditions within the protected area.
“The limestone frogs were seen in Suklib Kabayo Cave, perching on depressions of a cave pillar,” Vergara said.
DENR-Central Luzon executive director Ralph Pablo said the presence of the species indicates the ecological significance of the Biak-na-Bato park, particularly its cave and limestone ecosystems, to endemic wildlife.
