Chimney Swift (Chaetura pelagica) Science Article 2
Apparent gleaning of insects from leaves has been reported in Chimney Swifts by Fischer (New York Mus. Sci. Serv. Bull., No. 336: 1, 1958) and in Short-tailed Swifts (C. brachyura) by Collins (Bull. Florida State Mus., 11: 257, 1968).
William G. George, Auk, Vol. 88