Robin's Nest and Cowbird Egg

Robin's (Turdus migratorius) nest with a brown headed cow bird (Molothrus aster) egg. Cowbirds (genus Molothrus) are brood parasitic birds that lay their eggs in other bird's nests. When they hatch, the chicks grow quickly and will often consume most of t

Restrictions Only for United Kingdom

Aster Brood Cowbird Migratorius Molothrus Parasite Parasitic Robin Robins Song Turdidae Turdus

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