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Article: Western Bluebird captures a western fence lizard.(Author abstract)
- Article from:
- The Wilson Journal of Ornithology
- Article date:
- March 1, 2007
- Author:
CopyrightCOPYRIGHT 2007 Wilson Ornithological Society. This material is published under license from the publisher through the Gale Group, Farmington Hills, Michigan. All inquiries regarding rights should be directed to the Gale Group. (Hide copyright information)
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Western Bluebirds (Sialia mexicana) are primarily insectivorous during the breeding season, and rely upon berry crops during winter (Guinan et al. 2000). Individual Eastern Bluebirds (Sialia sialis), a congeneric species, which is also primarily dependent upon insects and small fruits (Gowaty and Plissner 1998), have occasionally been observed capturing vertebrate prey, such as snakes (Flanigan 1971) and shrews (Pinkowski 1974). Beal (1915) reported the bones of lizards and tree frogs in the stomachs of Eastern Bluebirds, as did Bent (1949). Braman and Pogue (2005) found a dead, 8.3-cm-long flat-headed snake (Tantilla gracilis) in an Eastern Bluebird nest box, suggesting a ...
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