- Medium to large heron.
- Bill pink at base, black at tip.
- Dark phase all dark gray with a reddish neck.
- White form all white with two-toned bill and dark grey legs.
Immature DescriptionSimilar to adult, but dark phase paler and more washed out.
Relative Sizegoose-sized or larger
- Both Sexes
- Length: 27.6-31.5 in (70-80 cm)
- Weight: 24.7-30.0 oz (700-850 g)
- Wingspan: 45.3-46.5 in (115-118 cm)