Illinois birds, Sylviidae
By: Jean W. Graber, Richard R. Graber, Ethelyn L. Kirk.
Contributors: Graber, Richard Rex.; Kirk, Ethelyn L.
Series: Biological notes,; no. 110
Publisher: State of Illinois, Illinois Institute of Natural Resources, Natural History Survey Division; Illinois Natural History Survey
Published: 1979
Place of publication: Urbana, Ill
Language: eng
Number of pages: 22
Subjects: Blue-gray gnatcatcher -- Illinois.; Regulus regulus -- Illinois.; Ruby-crowned kinglet -- Illinois.; Birds -- Illinois.
Notes: Bibliography: p. 20-22.
"July 1979."
Cover title.