Two New Philippine Endemic Species: Grey-rumped Swiftlet and Ridgetop Swiftlet
Two New Philippine Endemic Species: Grey-rumped Swiftlet and Ridgetop Swiftlet by Christian Perez Glossy Swiftlet Split: the Short Story The International Ornithological Union (known as IOC) has just released a taxonomic update where the Glossy Swiftlet is split into eight different species, of which two are Philippine endemics: Grey-rumped Swiftlet (Collocalia marginata), which ranges in…