A solid, slim seabird with very long, slender wings, long, pointed tail, long, pointed bill, and large webbed feet.
Larger than a White-tailed Tropicbird, smaller than a Masked Booby.goose-sized or larger
- Both Sexes
- Length: 27.2-31.1 in (69-79 cm)
- Weight: 30.0-38.8 oz (850-1100 g)
- Wingspan: 59.8 in (152 cm)