Their success comes from a unique "commensal" relationship with larger animals.
: By the 1940s, they reached Florida and spread across North America. bubulcus ibis
The cattle egret ( Bubulcus ibis ) is one of the most successful avian explorers in history. Unlike most species that spread due to human transport, these birds conquered the globe largely on their own wings. The Great Migration Their success comes from a unique "commensal" relationship
: Some ranchers prefer egrets over pesticides for natural fly control. bubulcus ibis