House sparrow adult (Passer domesticus) makes a choice on which nestling to feed.

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Size: 4368px × 2912px
Location: Cascade County, Montana
Photo credit: © Craig Larcom / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: -native, ., animalia, aves, birds, cascade, central, choices, chordata, competition, county, dilemma, domesticus, eagerness, fairness, family, favoritism, feather, feed, house, im, introduced, invasive, mom, montana, mouths, nestlings, open, parental, passer, passeridae, passeriformes, pest, pick, sparrow, species, turn, whos, young