I don't think they have consumed enough energy and built up enough fat reserves to have a very successful nesting season this spring. Some of the pairs may not even attempt to nest if they are not in good enough condition. Two pairs have new mates. Great Blue Heron in flight. Courtesy of Brian E. Small.
Cranes have relatively light heads and necks, and can fly the normal way with neck outstretched.
Because herons have heavy bills and heavy, powerful neck muscles for striking fish, too much weight is forward of their wings. To fly, herons must have as much weight as possible near their center of gravity, so they pull their necks in. Answer only ONE question in each e-mail message. In the body of EACH message, give your answer to ONE of the questions above. The Next Crane Migration Update Will Be Posted on April 10, 2001.