LUCENA CITY — The Department of Environment and Natural Resources (DENR) identified four additional bird species in the Pamitinan Protected Landscape (PPL), enriching the area’s biodiversity profile. In a report on Sunday, the DENR office in the Calabarzon region identified the newly recorded species as the Philippine Dwarf Kingfisher (Ceyx melanurus), Philippine Frogmouth (Batrachostomus septimus),