Assertion: starling | /r/CapableOf | do their dirty work
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text: Martins, being totally dependent on man for their housing, are communal nesters and require man-made and supplied condos in which to nest and propagate and because of their nature of having to leave the colony to feed, the starlings often slip into their unguarded nests and do their dirty work, destroying eggs, young and even an occasional adult that happens to become trapped in the cavity.