MORSE, Douglass H. Food exploitation by birds : some current problems and future goals / Douglass H. Morse. -- [s.l. : [s.n.], 1990 - P. 134-143 Separata de : Studies in Avian Biology. Vol. 13 (1990) Subjects--Topical Terms: AvesOrnitología Universal Decimal Class. No.: 598.2