Welcome Back, Boys!
The boys—male robins—return first. Females come last. Females make all the same vocalizations and calls as the males except for one: Females do not sing the "true" song—the song that identifies a male on his territory. Report when your robin sings!
Courtesy of Don Severson
include ($_SERVER[DOCUMENT_ROOT]."jnorth/www/includes/eg_nav_copyright_worksheets.inc"); ?>