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Submitted By

Rebecca Rowley

Houghton, NY, United States

Description

We’ve been watching the evolution of a Dark-Eyed Junco nest as its been parasitized by a Cowbird. We believe that two of the Junco eggs have been eaten and replaced by two Cowbird eggs at different times. One of the Cowbird eggs has hatched.

Category

Unusual nests

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Species: Dark-eyed Junco

Cowbird Young In Junco Nest

May 23, 2017

3 responses to “Cowbird young in Junco Nest”

  1. Dennis Porebski says:

    I highly dislike brown-headed cowbirds. What lazy (but opportunistic) parasites! >:( It’s also a shame that the other bird species suffer as a consequence.

  2. Tim says:

    I found a cowbird egg in a Chipping Sparrows nest with three eggs. The tiny nest had littlw room for the sparrows if they were to hatch and I new they would be ejected or starve. I removed the cowbird egg?

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