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Snapshot
Primary Traits
594.2 g
0 m - 4,200 m
49
—
Record section
Identity and Taxonomy
Scientific identity, taxonomic placement, and source lineage.
Scientific name
Aythya nyroca
English name
Ferruginous Duck
Order
Anseriformes
Family
Anatidae
Genus
Aythya
Species
nyroca
Data source
HBW1, BOTW, D07
Record section
Conservation and Range
Threat status and geographic distribution signals.
Conservation status
Near-threatened
Range restricted
No
Island endemic
No
Biogeographic realm
FP
Latitudinal zone
Tropical-Temperate
Record section
Measurements
Mass and elevation values from the stored record.
Minimum female mass
464 g
Maximum female mass
727 g
Minimum male mass
440 g
Maximum male mass
730 g
Minimum unsexed mass
464 g
Maximum unsexed mass
740 g
Average mass
594.2 g
Minimum elevation
No data
Typical lower elevation
0 m
Typical upper elevation
4,200 m
Maximum elevation
No data
Elevation range
4,200 m
Typical elevation
2,100 m
Record section
Ecology
Habitat, diet, and specialization profile.
Primary habitat
Wetland
Habitat breadth
3
Primary diet
Omnivore
Diet breadth
5
Diet specialization index
0.82
Record section
Behavior and Reproduction
Breeding, nesting, incubation, and social traits.
Social behavior
Social, Pairs and family groups
Mating system
Monogamous
Cooperative breeding
Solitary breeder
Nest type
No data
Nest substrate
Ground, Grass
Minimum broods per year
1
Maximum broods per year
No data
Minimum clutch size
4
Maximum clutch size
17
Incubating sex
Female
Minimum incubation period
25 d
Maximum incubation period
28 d
Minimum fledging period
55 d
Maximum fledging period
60 d
Nest parasitism
Nest Parasite, Victim of Parasitism
Average clutch size
10.5
Average fledging period
57.5 d
Record section
Mobility and Flight
Flight ability and movement pattern.
Flight status
Flies
Mobility patterns
Migratory