Verified media
Image Gallery
Loading images…
Snapshot
Primary Traits
261 g
0 m - 500 m
49
—
Record section
Identity and Taxonomy
Scientific identity, taxonomic placement, and source lineage.
Scientific name
Larus ridibundus
English name
Black-headed Gull
Order
Charadriiformes
Family
Laridae
Genus
Larus
Species
ridibundus
Data source
HBW3, BOTW, D07
Record section
Conservation and Range
Threat status and geographic distribution signals.
Conservation status
Least Concern
Range restricted
No
Island endemic
No
Biogeographic realm
Cosmopolitan
Latitudinal zone
Tropical-Polar
Record section
Measurements
Mass and elevation values from the stored record.
Minimum female mass
No data
Maximum female mass
No data
Minimum male mass
No data
Maximum male mass
No data
Minimum unsexed mass
195 g
Maximum unsexed mass
327 g
Average mass
261 g
Minimum elevation
No data
Typical lower elevation
0 m
Typical upper elevation
500 m
Maximum elevation
No data
Elevation range
500 m
Typical elevation
250 m
Record section
Ecology
Habitat, diet, and specialization profile.
Primary habitat
Wetland
Habitat breadth
5
Primary diet
Invertebrate
Diet breadth
4
Diet specialization index
0.7
Record section
Behavior and Reproduction
Breeding, nesting, incubation, and social traits.
Social behavior
Colonial
Mating system
Monogamous
Cooperative breeding
No data
Nest type
Scrape
Nest substrate
Ground, Rock, Water
Minimum broods per year
1
Maximum broods per year
No data
Minimum clutch size
1
Maximum clutch size
3
Incubating sex
Both
Minimum incubation period
22 d
Maximum incubation period
26 d
Minimum fledging period
35 d
Maximum fledging period
No data
Nest parasitism
No data
Average clutch size
2
Average fledging period
35 d
Record section
Mobility and Flight
Flight ability and movement pattern.
Flight status
Flies
Mobility patterns
Migratory, Irregular/Nomadic, Sedentary