Journal Article Recent Observations on the Birds of the Sierra de la Macarena, Colombia Get access Thomas O. Lemke, Thomas O. Lemke Department of Zoology, Ecology Program, Rutgers University, New Brunswick, New Jersey, 08903 Search for other works by this author on: Oxford Academic Google Scholar Paul E. Gertler Paul E. Gertler Address of second author: Smithsonian-Peace Corps Environmental Program, Peace Corps, c/o American Embassy, Bogotá, Colombia Search for other works by this author on: Oxford Academic Google Scholar The Condor, Volume 80, Issue 4, 1 October 1978, Pages 453–455, https://doi.org/10.2307/1367203 Published: 01 October 1978 Article history Accepted: 12 December 1977 Published: 01 October 1978