Rare sparrows make guest appearance at Penn
By A Mystery Man Writer
Description
Earlier this year, Penn Medicine epidemiologist Doug Wiebe glimpsed two small all-white birds outside Van Pelt Library that turned out to be albino house sparrows. Their coloration is likely the result of a genetic condition in which a bird’s feathers lack pigment.
![Rare sparrows make guest appearance at Penn](https://allthatsinteresting.com/wordpress/wp-content/uploads/2020/10/rose-breasted-grosbeak-sexes.jpg)
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Sparrows Are the Main Suspects in a Bird-Nest Murder - The New
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Rare bird spotted for first time in 40 years at Middle Creek
![Rare sparrows make guest appearance at Penn](https://penntoday.upenn.edu/sites/default/files/styles/teaser/public/2020-08/philly-covid-map-teaser.jpg?h=252f27fa&itok=_YTr_vld)
Epidemiology
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Male Sparrows Shuffle Their Songs To Sound Fresh To Attract
![Rare sparrows make guest appearance at Penn](https://media.phillyvoice.com/media/images/12424_Painted_Bunting_Philly.2e16d0ba.fill-1200x630-c0.png)
Rare painted bunting draws bird lovers to Bartram's Garden in
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Endangered birds and quirky lists
![Rare sparrows make guest appearance at Penn](https://fathersonbirding.com/wp-content/uploads/2023/09/WCSP-Gravel-Quarry-FIERCE-2023_09_19_8880-1.jpg)
Welcoming White-crowned Sparrows—with Observer Bias
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Song Sparrow Sings the Pacific Ocean – Kingfisher Journey- Marina
Earlier this year, Penn - University of Pennsylvania
![Rare sparrows make guest appearance at Penn](https://penntoday.upenn.edu/sites/default/files/styles/teaser/public/2020-10/P-100935-Master-V1-015X_0.jpg?h=252f27fa&itok=4NexUxQP)
Impact: Engage Locally, Nationally, Globally
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