“Observations on the Breeding Biology of the Luzon Flameback Chrysocolaptes Haematribon (Wagler 1827) (Piciformes: Picidae) With Notes on Active Nest Defence Against Dollarbird Eurystomus Orientalis (Linnaeus 1766) (Coraciiformes: Coraciidae)”. Natural History Sciences (July 19, 2024). Accessed May 9, 2025. https://sisn.pagepress.org/nhs/article/view/748.