The snowy heron is a beautiful bird that is also known by a variety of other names. One of the most common synonyms for the snowy heron is the white egret. This name is used because of the snowy heron's brilliant white plumage. Other synonyms for the snowy heron include the great white heron and the American egret. These names are also used to describe the snowy heron's majestic size and stature. Other synonyms for the snowy heron include the angel bird and the marsh ghost. These names are used to describe the bird's grace and beauty as it glides effortlessly through the marshes and wetlands where it lives.