Verified media
Image Gallery
Loading images…
Snapshot
Primary Traits
1,678.3 g
0 m
49
—
Record section
Identity and Taxonomy
Scientific identity, taxonomic placement, and source lineage.
Scientific name
Larus marinus
English name
Great Black-backed Gull
Order
Charadriiformes
Family
Laridae
Genus
Larus
Species
marinus
Data source
HBW3, BOTW
Record section
Conservation and Range
Threat status and geographic distribution signals.
Conservation status
Least Concern
Range restricted
No
Island endemic
No
Biogeographic realm
NP
Latitudinal zone
Temperate
Record section
Measurements
Mass and elevation values from the stored record.
Minimum female mass
1,033 g
Maximum female mass
2,085 g
Minimum male mass
1,380 g
Maximum male mass
2,272 g
Minimum unsexed mass
1,300 g
Maximum unsexed mass
2,000 g
Average mass
1,678.3 g
Minimum elevation
No data
Typical lower elevation
0 m
Typical upper elevation
0 m
Maximum elevation
No data
Elevation range
0 m
Typical elevation
0 m
Record section
Ecology
Habitat, diet, and specialization profile.
Primary habitat
Coastal
Habitat breadth
5
Primary diet
Carnivore
Diet breadth
5
Diet specialization index
0.6
Record section
Behavior and Reproduction
Breeding, nesting, incubation, and social traits.
Social behavior
Colonial, Solitary
Mating system
Monogamous
Cooperative breeding
Occasional help
Nest type
Half cup
Nest substrate
Building, Ground, Rock
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
26 d
Maximum incubation period
28 d
Minimum fledging period
42 d
Maximum fledging period
56 d
Nest parasitism
No data
Average clutch size
2
Average fledging period
49 d
Record section
Mobility and Flight
Flight ability and movement pattern.
Flight status
Flies
Mobility patterns
Partial Migrant, Dispersive, Sedentary