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Snapshot
Primary Traits
421.9 g
0 m - 100 m
49
—
Record section
Identity and Taxonomy
Scientific identity, taxonomic placement, and source lineage.
Scientific name
Cepphus grylle
English name
Black Guillemot
Order
Charadriiformes
Family
Alcidae
Genus
Cepphus
Species
grylle
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-Polar
Record section
Measurements
Mass and elevation values from the stored record.
Minimum female mass
380 g
Maximum female mass
450 g
Minimum male mass
376 g
Maximum male mass
550 g
Minimum unsexed mass
290 g
Maximum unsexed mass
485 g
Average mass
421.9 g
Minimum elevation
No data
Typical lower elevation
0 m
Typical upper elevation
100 m
Maximum elevation
No data
Elevation range
100 m
Typical elevation
50 m
Record section
Ecology
Habitat, diet, and specialization profile.
Primary habitat
Sea
Habitat breadth
3
Primary diet
Fish
Diet breadth
2
Diet specialization index
1.22
Record section
Behavior and Reproduction
Breeding, nesting, incubation, and social traits.
Social behavior
Colonial, Singly and pairs, Solitary
Mating system
Monogamous
Cooperative breeding
No data
Nest type
Crevice, Cavity (tree), Scrape
Nest substrate
Rock
Minimum broods per year
1
Maximum broods per year
No data
Minimum clutch size
1
Maximum clutch size
2
Incubating sex
Both
Minimum incubation period
28 d
Maximum incubation period
32 d
Minimum fledging period
30 d
Maximum fledging period
40 d
Nest parasitism
No data
Average clutch size
1.5
Average fledging period
35 d
Record section
Mobility and Flight
Flight ability and movement pattern.
Flight status
Flies
Mobility patterns
Migratory, Dispersive, Sedentary