Natural history of the bird-voiced treefrog (Hyla avivoca) and green treefrog (Hyla cinerea) in southern Illinois
By: Michael Redmer, Lauren E. Brown, Ronald A. Brandon.
Contributors: Brown, Lauren E.; Brandon, Ronald A.; Illinois. Natural History Survey Division.
Series: Illinois Natural History Survey bulletin,; v. 36, article 2; Illinois Natural History Survey bulletin ;; v. 36, article 2.
Publisher: Illinois Natural History Survey
Published: 1999
Place of publication: Champaign, Ill
Language: eng
Number of pages: 66
Subjects: Hyla -- Illinois.
Notes: Includes bibliographical references (p. 58-63).
"September 1999."