Item C199A Bird-Bander's Guide to Determination of Age and Sex of Selected Species
Pennsylvania State University, 1969. Status: Out of print Binding: Spiralbound. Condition: Good. Pages: 181 1969. Spiral-bound in good condition. Previous owner's name stamp on title page. Spotted front cover. The determination of the age and sex of live birds, externally, cannot be done by any one method; methods vary from.....