| Adult/Juvenile | |
 | thin toes with prominent knob under long middle toe |
 | bluishish gray inside mouth |
 | very long tail alternating wide dark & gray bands rounded when fanned white terminal band |
 | gray supraorbital ridge skin |
 | cap: darker crown than nape (juvenile shown) |
| Nestling | |
 | bluish or bluish-yellow eyes greenish cere |
 | thin toes, prominent knob under long middle toe |
 | bluish gray inside mouth and on tongue |