Pairing Up Yet?
Pair formation begins when birds are two to three years old. Three-year-olds with mates hardly ever nest. Average age at first egg is a bit older than 4 years old. After that, a crane can lay eggs and raise chicks the rest of its long life.
Courtesy of Klaus Nigge
include ($_SERVER[DOCUMENT_ROOT]."jnorth/www/includes/eg_nav_copyright_worksheets.inc"); ?>