Pygmy Swiftlet (Collocalia troglodytes, a Philippine endemic)

Habitat - Fairly common, smallest swiftlet in groups flying low over forest, clearings and logging roads (total length = 3.5 inches)

Shooting info - Bued River, Rosario, La Union, Philippines, February 6, 2015, 5D MIII + 400 5.6L, 400 mm, f/5.6, ISO 800, 1/2500 sec, hand held, major crop.