Eastern-crested swift References Eastern-crested swift bird Ask Anything Homework Help Also known as: Hemiprocne mystacea, whiskered swift, whiskered tree swift(Show More) Written by The Information Architects of Encyclopaedia Britannica The Information Architects maintain a master list of the topics included in the corpus of Encyclopædia Britannica, and create and manage the relationships between them. The Information Architects of Encyclopaedia Britannica Britannica AI Ask Anything Learn about this topic in these articles: crested swiftThe 29-centimetre-long whiskered tree swift (H. mystacea) of Southeast Asia is mostly black. Read MoreThe 29-centimetre-long whiskered tree swift (H. mystacea) of Southeast Asia is mostly black. Read More