“Observations on the Breeding Biology of the Luzon Flameback Chrysocolaptes Haematribon (Wagler 1827) (Piciformes: Picidae) With Notes on Active Nest Defense Against Dollarbird Eurystomus Orientalis (Linnaeus 1766) (Coraciiformes: Coraciidae)”. Natural History Sciences 12, no. 1 (July 10, 2025). Accessed July 14, 2025. https://sisn.pagepress.org/nhs/article/view/748.