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A female Brown-headed Cowbird in Pasadena, Maryland (3/7/2009). Photo by
Bill Hubick. (
MBP list)
Brown-headed Cowbird in Harford Co., Maryland (7/28/2017). Photo by
Mary Sweet. (
MBP list)
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A male Brown-headed Cowbird bludgeons to death a competing male in his territory, Baltimore Co., Maryland (6/5/2011). Photo by
Jon Corcoran. (
MBP list)
An immature Brown-headed Cowbird in Calvert Co., Maryland (6/12/2017). Photo by
Ben Springer. (
MBP list)
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A young Brown-headed Cowbird in Baltimore Co., Maryland (5/15/2010). (c) Frode Jacobsen, some rights reserved (CC BY-NC). Photo by
Frode Jacobsen. (
MBP list)
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A juvenile Brown-headed Cowbird in Anne Arundel Co., Maryland (5/10/2014). (c) Frode Jacobsen, some rights reserved (CC BY-NC). Photo by
Frode Jacobsen. (
MBP list)
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A young Brown-headed Cowbird being raised by a Gray Catbird in Prince George's Co., Maryland (6/5/2016). Photo by
Barbara Thurlow. (
MBP list)
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A juvenile Brown-headed Cowbird being fed by its foster parent, a Chipping Sparrow, in Baltimore Co., Maryland (6/5/2011). Photo by
Jon Corcoran. (
MBP list)
A Northern Parula (left) feeding a Brown-headed Cowbird chick (right) in Harford Co., Maryland (6/26/2013). Photo by
Matthew Addicks. (
MBP list)
A male Brown-headed Cowbird in flight over Baltimore Co., Maryland (5/2/2020). (c) Frode Jacobsen, some rights reserved (CC BY-NC). Photo by
Frode Jacobsen. (
MBP list)
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A recently fledged Brown-headed Cowbird in Howard Co., Maryland (7/7/2019). Photo by
Sue Muller. (
MBP list)
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A female Red-winged Blackbird (left) and presumed juvenile Brown-headed Cowbird (right) in Howard Co., Maryland (11/25/2013). Most would agree this behavior suggests that the Red-winged Blackbird was the foster parent of the Brown-headed Cowbird. (Brown-headed Cowbird is a brood parasite.) Photo by
Richard Orr. (
MBP list)
A Brown-headed Cowbird egg in an American Robin nest in Howard Co., Maryland (3/6/2018). Photo by
Sue Muller. (
MBP list)
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