Ring-billed Gull
Larus delawarensis 环嘴鸥
The Ring-billed Gull (Larus delawarensis) is a medium-sized gull measuring about 20 inches (49–64 cm) in length, with a white body, grey wings and back, and a distinctive yellow bill marked by a black ring near the tip. It is adaptable, often found near water or urban areas, and exhibits behaviors such as direct flight, hovering, and soaring.
- First spotted
- 10 Jul 2025
- Seen at 5 places
- Boston, MADenver, COJordan LakeNew York City, NYTampa, FL
- Group
- Water
Field marks
- Length
- 20 in · 51 cm
- Colours
- Black · Brown · Gray · White · Yellow
- Wings
- Narrow · Pointed · Tapered
- Tail
- Rounded · Short · Square-tipped
- In flight
- Direct Flight · Hovering · Soaring
- Movement
- Resident
- World population
- 3.8 million