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Snapshot
Primary Traits
465.3 g
0 m
47
—
Record section
Identity and Taxonomy
Scientific identity, taxonomic placement, and source lineage.
Scientific name
Anas laysanensis
English name
Laysan Duck
Order
Anseriformes
Family
Anatidae
Genus
Anas
Species
laysanensis
Data source
HBW1, BOTW
Record section
Conservation and Range
Threat status and geographic distribution signals.
Conservation status
Critically Endangered
Range restricted
Yes
Island endemic
Yes
Biogeographic realm
Oceania
Latitudinal zone
Tropical
Record section
Measurements
Mass and elevation values from the stored record.
Minimum female mass
340 g
Maximum female mass
625 g
Minimum male mass
348 g
Maximum male mass
548 g
Minimum unsexed mass
No data
Maximum unsexed mass
No data
Average mass
465.3 g
Minimum elevation
No data
Typical lower elevation
0 m
Typical upper elevation
L
Maximum elevation
No data
Elevation range
No data
Record section
Ecology
Habitat, diet, and specialization profile.
Primary habitat
Coastal
Habitat breadth
4
Primary diet
Invertebrate
Diet breadth
1
Diet specialization index
1.4
Record section
Behavior and Reproduction
Breeding, nesting, incubation, and social traits.
Social behavior
Singly and pairs
Mating system
Monogamous
Cooperative breeding
Solitary breeder
Nest type
Cup/Bowl
Nest substrate
Ground
Minimum broods per year
No data
Maximum broods per year
No data
Minimum clutch size
9
Maximum clutch size
13
Incubating sex
No data
Minimum incubation period
No data
Maximum incubation period
No data
Minimum fledging period
No data
Maximum fledging period
No data
Nest parasitism
No data
Average clutch size
11
Record section
Mobility and Flight
Flight ability and movement pattern.
Flight status
Flies
Mobility patterns
Sedentary