Larus delawarensis

Common names:

Ring-billed Gull

Categorical information

Red list criteria IUCN status Year assessed Global population trend Breeding distribution Nest locations Hatchling type Foraging distance
None LC 2012 increasing Tm O SP NS

Numeric information

Data in the below table is presented as the mean and the upper and lower values (min and max in parentheses). Values of "na" indicate that the data are not available.

Female mass (kg) Male mass (kg) Wingspan (cm) Age of first breeding (yrs) Clutch size Maximum age (yr) Annual survival (%)
0.471 (na/na) 0.566 (na/na) na (121.0/127.0) 3.0 (3.0/4.0) 3.0 (2.0/4.0) 32.0 na (na/na)
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