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Snapshot
Primary Traits
646.7 g
0 m
49
—
Record section
Identity and Taxonomy
Scientific identity, taxonomic placement, and source lineage.
Scientific name
Alca torda
English name
Razorbill
Order
Charadriiformes
Family
Alcidae
Genus
Alca
Species
torda
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
505 g
Maximum female mass
730 g
Minimum male mass
530 g
Maximum male mass
720 g
Minimum unsexed mass
505 g
Maximum unsexed mass
890 g
Average mass
646.7 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
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
Mating system
Monogamous, Polygynous
Cooperative breeding
Solitary breeder
Nest type
Burrow, Crevice, Cavity (tree)
Nest substrate
Rock, Grass
Minimum broods per year
No data
Maximum broods per year
No data
Minimum clutch size
1
Maximum clutch size
1
Incubating sex
Both
Minimum incubation period
38 d
Maximum incubation period
43 d
Minimum fledging period
38 d
Maximum fledging period
43 d
Nest parasitism
No data
Average clutch size
1
Average fledging period
40.5 d
Record section
Mobility and Flight
Flight ability and movement pattern.
Flight status
Flies
Mobility patterns
Migratory, Dispersive