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Aimophila aestivalis

(Bachman's Sparrow Sparrow)

Overview

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Threatened

Threat status

Common Names

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Click on the language to view common names.

Common Names in English:

Bachman's Sparrow, Bachman's Sparrow Finch, Bachman's Sparrow Sparrow, Bachman's Summer Finch, Illinois Summer Finch, Pine-Woods Sparrow

Common Names in French:

Bruant Des Pinèdes

Common Names in German:

Bachmanammer

Description

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Physical Description

Adult : Head : gray with buffy gray sides Face : Eyeline: thin, dark Bill: dark Size: large Body: Belly: whitish Breast: buff or gray Flanks: buff or gray Sides: buff or gray Upperparts: gray with heavy chestnut-brown streaks Tail: dark Length : long Shape : rounded.

Color:

Brown or grayish-brown overall; buffy or gray ear patch; thin dark stripe extending behind the eye; light eyebrow; breast and sides buffy or gray; belly white.

Size/Age/Growth

About 6 inches long, with a wingspan of 8 to 8 inches. Adults weigh about 0.7 ounces .

Habitat

Typically found at an altitude of 0 to 3,793 meters (0 to 12,444 feet).[1]

Ecology: List of Habitats : 1.4 Forest - Temperate 14.2 Artificial/Terrestrial - Pastureland

Biology

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Diet

Its diet includes seeds, insects, spiders, and other small invertebrates . Food is gathered by searching the ground and low vegetation.

Reproduction

The breeding season begins in late April, peaks in May, and extends to mid-July. The breeding habitat includes pine woods , especially in areas with a dense understory . The cup-shaped nest is built by the female on the ground out of grass and other plant material . The nest may be domed with grass for protection. The female lays 3-5 eggs that she incubates for 14 days. The young are altricial and fledge 10-11 days after hatching . If the female is disturbed on the nest, she may perform a distraction display by dragging her wing or feigning injury to draw a predator away from the nest.

Migration

Nonmigratory

Behavior

The Bachman's Sparrow most often frequents pine woodlands and dry wooded areas.

Taxonomy

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Notes

Name Status: Accepted Name . Latest taxonomic scrutiny: 17-Oct-2001.

Similar Species

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Field Sparrow, Grasshopper Sparrow

Members of the genus Aimophila

There are approximately 59 species in this genus:

A. acuminata · A. aestivalis (Bachman's Sparrow Sparrow) · A. aestivalis aestivalis (Bachman's Sparrow Sparrow) · A. aestivalis bachmani · A. aestivalis illinoensis · A. botteri · A. botterii (Arizona Summer Finch) · A. botterii arizonae (Botteri's Sparrow) · A. botterii botterii (Arizona Summer Finch) · A. botterii goldmani · A. botterii petenica (Botteri's Sparrow) · A. botterii texana (Texas Botteri's Sparrow) · A. botterii vulcanica · A. carapalis carapalis · A. carpalis (Bendire's Summer Finch) · A. carpalis carpalis (Bendire's Summer Finch) · A. carpalis cohaerens · A. cassinii (Cassin's Summer Finch) · A. humeralis (Black-Chested Sparrow) · A. mystacalis (Bridled Sparrow) · A. notosticta (Oaxaca Sparrow) · A. petenica · A. quinquestriata (Five-Striped Sparrow) · A. quinquestriata quinquestriata (Five-Striped Sparrow) · A. quinquestriata septentrionalis · A. rufescens (Rusty Sparrow) · A. rufescens antonensis · A. rufescens discolor · A. rufescens hypaethrus · A. rufescens mcleodii · A. rufescens meleodii · A. rufescens pectoralis · A. rufescens pyrgitoides · A. rufescens rufescens (Rusty Sparrow) · A. ruficauda (Stripe-Headed Sparrow) · A. ruficauda acuminata · A. ruficauda connectens · A. ruficauda lawrencii · A. ruficauda ruficauda (Stripe-Headed Sparrow) · A. ruficeps (Californis Rufous-Crowned Sparrow) · A. ruficeps australis · A. ruficeps boucardi · A. ruficeps canescens (Southern California Rufous-Crowned Sparrow) · A. ruficeps eremoeca (Rufous-Crowned Sparrow) · A. ruficeps fusca · A. ruficeps obscura · A. ruficeps ruficeps (Californis Rufous-Crowned Sparrow) · A. ruficeps rupicola (Yuma Rufous-Crowned Sparrow) · A. ruficeps sanctorum · A. ruficeps scotti · A. ruficeps scottii · A. ruficeps simulans · A. ruficeps sororia · A. ruficeps x · A. stolzmanni · A. strigiceps (Stripe-Capped Sparrow) · A. strigiceps dabbenei · A. strigiceps strigiceps (Stripe-Capped Sparrow) · A. sumichrasti (Cinnamon-Tailed Sparrow)

More Info

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Further Reading

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Notes

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Contributors

Data Sources

Accessed through GBIF Data Portal March 03, 2008:

Identifiers

Footnotes

  1. Mean = 185.750 meters (609.416 feet), Standard Deviation = 608.870 based on 861 observations. Altitude information for each observation from British Oceanographic Data Centre. [back]
Last Revised: 2009-06-19