Song Sparrow

• It is one of the model organisms of the neuroscience of vocal learning: decades of experiments on this species have established how a bird memorises a tutor's song and later reproduces it after weeks of practice.
• Its geographical variation is among the greatest of any North American bird: the forms of the Aleutian Islands weigh more than three times as much as those of the desert south-west.
• City males sing at a higher pitch than country ones to make themselves heard over traffic noise, an adjustment documented in several urban populations.

Skeleton type

Vertebrate - internal bony skeleton (bird)

Habitat and environment

Scrub, marshes, hedgerows, gardens and woodland edges across almost all of North America

Sexual maturity

12 months

Gestation / incubation

12 days

Litter / clutch size

4

Sources consulted: IUCN Red List · Animal Diversity Web · Wikipedia (es)

The pins mark the parks where its presence is documented.