Compared with most herons, Green Herons are short and stocky, with relatively short legs and thick necks that are often drawn up against their bodies. They have broad, rounded wings and a long, daggerlike bill. They sometimes raise their crown feathers into a short crest.
About the size of an American Crow; smaller than a Black-crowned Night-Heroncrow-sized
- Both Sexes
- Length: 16.1-18.1 in (41-46 cm)
- Weight: 8.5 oz (240 g)
- Wingspan: 25.2-26.8 in (64-68 cm)