A medium-sized ternlike seabird with very long wings and an outsized bill in which the lower mandible is much longer than the upper.
Larger than a Laughing Gull, slightly smaller than a Royal Tern (but with longer wings).crow-sized
- Both Sexes
- Length: 15.8-19.7 in (40-50 cm)
- Weight: 9.3-12.9 oz (265-365 g)
- Wingspan: 42.9-45.3 in (109-115 cm)