Shiny Cowbird being fed by Rufous-collared Sparrow. CC license. Image by Dario Sanches.

Bird Behaviour Big babies, little mamas Shiny Cowbird being fed by Rufous-collared Sparrow. CC license. Image by Dario Sanches.

Sharon McInnes May 24, 2014 May 24, 2014 Full size is 800 × 492 pixels

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Shiny Cowbird being fed by Rufous-collared Sparrow. (CC license. Image by Dario Sanches.)