Crested Treeswift Crested Treeswift Hemiprocne coronata, Skytree Nature Reserve (21.626585, 101.588755), Xishuangbanna Prefecture, Yunnan, China, elev. 690 m (2,260 ft.), March. (Craig Brelsford) Go to Birds of China page Be notified every time we post. Send an email with “Subscribe” as the subject to info@shanghaibirding.com. Donate to Shanghai Birding! Choose your level (USD)Well-wisher—$10Buddy—$5Friend—$25Supporter—$50Donor—$100Sponsor—$500Champion—$1000