DNA analysis of bluebird feces reveals benefits for vineyards

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 in The Auk: Ornithological Advances found that bluebirds' presence is likely a net positive—and they did it by analyzing DNA in bird poop.

Read the whole article on Physorg

More from Physorg