Hagar, Donald C. (1960). "The interrelationships of logging, birds, and timber regeneration in the Douglas-fir region of northwestern California". Ecology. 41 (1): 116–125. doi:10.2307/1931945. JSTOR1931945.
Tatschl, John L. (1967). "Breeding birds of the Sandia Mountains and their ecological distributions". The Condor. 69 (5): 479–490. doi:10.2307/1366148. JSTOR1366148.
Stiles, Edmund W. (1980). "Bird community structure in alder forests in Washington". The Condor. 82 (1): 20–30. doi:10.2307/1366781. JSTOR1366781.
Kilgore, Bruce M. (1971). "Response of breeding bird populations to habitat changes in a giant sequoia forest". The American Midland Naturalist. 85 (1): 135–152. doi:10.2307/2423918. JSTOR2423918.
Hagar, Donald C. (1960). "The interrelationships of logging, birds, and timber regeneration in the Douglas-fir region of northwestern California". Ecology. 41 (1): 116–125. doi:10.2307/1931945. JSTOR1931945.
Tatschl, John L. (1967). "Breeding birds of the Sandia Mountains and their ecological distributions". The Condor. 69 (5): 479–490. doi:10.2307/1366148. JSTOR1366148.
Stiles, Edmund W. (1980). "Bird community structure in alder forests in Washington". The Condor. 82 (1): 20–30. doi:10.2307/1366781. JSTOR1366781.
Kilgore, Bruce M. (1971). "Response of breeding bird populations to habitat changes in a giant sequoia forest". The American Midland Naturalist. 85 (1): 135–152. doi:10.2307/2423918. JSTOR2423918.