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). Nat Hist Sci [Internet]. 2025 Jul. 10 [cited 2025 Jul. 14];12(1). Available from: https://sisn.pagepress.org/nhs/article/view/748