AnAge entry for Aythya affinis
Classification (HAGRID: 00312)
- Taxonomy
-
Kingdom: Animalia
Phylum: Chordata
Class: Aves (Taxon entry)
Order: Anseriformes
Family: Anatidae
Genus: Aythya
- Species
- Aythya affinis
- Common name
- Lesser scaup
- Synonyms
- Fuligula affinis
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
- [1143] Nussey et al. (2013), Senescence in natural populations of animals: widespread evidence and its implications for bio-gerontology (PubMed)
- [0732] Starck and Ricklefs (1998), Avian growth rate data set
- [0576] Clapp et al. (1982), Longevity records of North American birds: Gaviidae through Alcidae
- [0444] John Terres (1980), The Audubon Society Encyclopedia of North American Birds
- [0445] The Birds of North America Online
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
- Search all databases
- Ageing Literature
- Search Google Scholar or Search PubMed
- Images
- Google Image search
- Internet
- Search Google