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Snapshot
Primary Traits
132.5 g
300 m - 3,900 m
49
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Record section
Identity and Taxonomy
Scientific identity, taxonomic placement, and source lineage.
Scientific name
Nucifraga columbiana
English name
Clark's Nutcracker
Order
Passeriformes
Family
Corvidae
Genus
Nucifraga
Species
columbiana
Data source
CAJ, BOTW
Record section
Conservation and Range
Threat status and geographic distribution signals.
Conservation status
Least Concern
Range restricted
No
Island endemic
No
Biogeographic realm
Nearctic
Latitudinal zone
Temperate
Record section
Measurements
Mass and elevation values from the stored record.
Minimum female mass
122 g
Maximum female mass
129 g
Minimum male mass
136 g
Maximum male mass
141 g
Minimum unsexed mass
106 g
Maximum unsexed mass
161 g
Average mass
132.5 g
Minimum elevation
0 m
Typical lower elevation
300 m
Typical upper elevation
3,900 m
Maximum elevation
No data
Elevation range
3,600 m
Typical elevation
2,100 m
Record section
Ecology
Habitat, diet, and specialization profile.
Primary habitat
Forest
Habitat breadth
3
Primary diet
Seed
Diet breadth
5
Diet specialization index
0.82
Record section
Behavior and Reproduction
Breeding, nesting, incubation, and social traits.
Social behavior
Pairs and family groups, Singly and pairs
Mating system
No data
Cooperative breeding
Solitary breeder
Nest type
Platform
Nest substrate
Tree
Minimum broods per year
No data
Maximum broods per year
No data
Minimum clutch size
2
Maximum clutch size
6
Incubating sex
Both
Minimum incubation period
18 d
Maximum incubation period
No data
Minimum fledging period
20 d
Maximum fledging period
No data
Nest parasitism
No data
Average clutch size
4
Average fledging period
20 d
Record section
Mobility and Flight
Flight ability and movement pattern.
Flight status
Flies
Mobility patterns
Altitudinal Migrant, Irregular/Nomadic, Dispersive, Sedentary