AnAge entry for Passerculus sandwichensis

Classification (HAGRID: 00727)

Taxonomy
Kingdom: Animalia
    Phylum: Chordata
        Class: Aves (Taxon entry)
            Order: Passeriformes
                Family: Emberizidae
                    Genus: Passerculus
Species
Passerculus sandwichensis
Common name
Savannah sparrow
Synonyms
Ammodramus sandwichensis

Lifespan, ageing, and relevant traits

Maximum longevity
18 years (captivity)
Source
Julie Zickefoose, pers. comm.
Sample size
Medium
Data quality
Acceptable
Observations

A captive specimen, at least a year-old when acquired, lived 17 years in captivity, making it at least 18 years-old when it died. As observed in other birds, the most obvious manifestation of ageing was a thickening of the scutes on the legs and feet. Sunken eyes plus a slowing down of activity with age were also observed (Julie Zickefoose, pers. comm.). In the wild, these animals have been known to live up to 6.8 years [0427].

Life history traits (averages)

Female sexual maturity
365 days
Male sexual maturity
365 days
Incubation
12 days
Clutch size
4 (oviparous)
Clutches per year
1
Weight at hatching
1.7 g
Adult weight
20.2 g
Postnatal growth rate

Metabolism

Typical body temperature
Not yet available
Basal metabolic rate
0.2210 W
Body mass
15.9 g
Metabolic rate per body mass
0.013899 W/g

References

External Resources

Integrated Taxonomic Information System
ITIS 179314
Animal Diversity Web
ADW account (if available)
Encyclopaedia of Life
Search EOL
NCBI Taxonomy
Taxonomy ID 161624
Entrez
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Ageing Literature
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Images
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Internet
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