AnAge entry for Aythya affinis

Classification (HAGRID: 01094)

Taxonomy
Kingdom: Animalia
    Phylum: Chordata
        Class: Aves (Taxon entry)
            Order: Anseriformes
                Family: Anatidae
                    Genus: Aythya
Species
Aythya affinis
Common name
Lesser scaup

Lifespan, ageing, and relevant traits

Maximum longevity
18.3 years (wild)
Source
ref. 576
Sample size
Large
Data quality
Acceptable
Observations
No observations are presently available

Life history traits (averages)

Female sexual maturity
365 days
Male sexual maturity
365 days
Incubation
24 days
Clutch size
10 (oviparous)
Clutches per year
1
Weight at hatching
30.8 g
Adult weight
787 g
Postnatal growth rate
0.091 days-1 (from logistic function)

Metabolism

No information on metabolism is available.

References

External Resources

Integrated Taxonomic Information System
ITIS 175134
Animal Diversity Web
ADW account (if available)
Encyclopaedia of Life
Search EOL
NCBI Taxonomy
Taxonomy ID 189533
Entrez
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Ageing Literature
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Images
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Internet
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