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They also recognized acorn woodpeckers, a California towhee, dozens of turkey vultures circling overhead, a dark-eyed junco, a mockingbird, an Anna’s hummingbird and a black phoebe.

This oil contains odorous compounds— in the case of the dark-eyed junco, it smells like leaf litter and soil.

For example, the house finch almost always dominates the purple finch, and the purple finch almost always dominates the dark-eyed junco, but when house finch and junco face off directly, the junco often dominates.

I just looked it up in his bird book and there it was, exactly as he said, a dark-eyed junco.

Some 90% of the total loss came from just 12 bird families and 19 widespread bird species such as the dark-eyed junco, common grackle and house sparrows.