Overview
Distribution
National Distribution
United States
Origin: Native
Regularity: Regularly occurring
Currently: Present
Confidence: Confident
Type of Residency: Year-round
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Global Range: RESIDENT from western and central Arizona, northern New Mexico, southeastern Colorado, extreme northwestern Oklahoma, and western and central Texas south to northern Sinaloa (including Isla Tiburon, off Sonora), and in Mexican highlands to Oaxaca (west to Isthmus of Tehuatepec), west-central Veracruz, Puebla, and southwestern Tamaulipas. Casual in northern Arizona, southwestern Kansas, and southern Texas (AOU 1983, 1989).
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Physical Description
Size
Ecology
Habitat
Comments: Dense brush, arid scrub, and riparian thickets, often in rocky areas (AOU 1989). Nests usually 1-3.5 m (sometimes up to 11 m) above ground in tree or bush (Terres 1980).
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Migration
Non-Migrant: Yes. At least some populations of this species do not make significant seasonal migrations. Juvenile dispersal is not considered a migration.
Locally Migrant: No. No populations of this species make local extended movements (generally less than 200 km) at particular times of the year (e.g., to breeding or wintering grounds, to hibernation sites).
Locally Migrant: No. No populations of this species make annual migrations of over 200 km.
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Trophic Strategy
Comments: Feeds on seeds, grain, and insects. Forages on the ground scratching away litter in search of food.
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Life History and Behavior
Life Expectancy
Lifespan, longevity, and ageing
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Reproduction
Clutch size is 2-6 (usually 3-4). Incubation, by female, lasts 11 days (Terres 1980). Young are tended by both adults, leave nest 8 days after hatching. Pair-bond may be life-long.
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Molecular Biology and Genetics
Molecular Biology
Barcode data: Pipilo fuscus
There are 2 barcode sequences available from BOLD and GenBank. Below is a sequence of the barcode region Cytochrome oxidase subunit 1 (COI or COX1) from a member of the species. See the BOLD taxonomy browser for more complete information about this specimen and other sequences.
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Download FASTA File
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Statistics of barcoding coverage: Pipilo fuscus
Public Records: 2
Species: 2
Species With Barcodes: 1
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Conservation
Conservation Status
National NatureServe Conservation Status
United States
Rounded National Status Rank: N5 - Secure
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Names and Taxonomy
Taxonomy
Comments: P. CRISSALIS formerly was included in this species (AOU 1989, Zink 1988). Allozyme and mtDNA data clearly support the species distinction of CRISSALIS and Fuscus and show that CRISSALIS is more closely related to P. ABERTI (Zink and Dittman 1991). See Dodge et al. (1995) for a comparison of phylogenies derived from two molecular data sets for the brown towhee complex (Pipilo spp.). See Banks and Browning (1995) for a discussion of nomenclatural issues involving Pipilo. Mitochondrial DNA analysis by Zink et al. (2001) show a genetic division between populations of the Sonoran and Chihuahuan deserts.
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