ScienceDaily Posted November 23, 2016 Share Posted November 23, 2016 Do bluebirds nesting in California's vineyards help grape growers by eating agricultural pests, or hurt them by eating insects that are beneficial? The researchers behind a new study found that bluebirds' presence is likely a net positive--and they did it by analyzing DNA in bird poop. Read the full article on ScienceDaily Link to comment Share on other sites More sharing options...
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