When birds, like the dodo, go extinct, it may be a sign of a much more widespread problem. Image credit: Wikimedia Commons “Every 20 minutes,” the saying goes , “we lose an animal species.” In reality, however, it is difficult to collect the data that details this trend—and motivates policy makers to take action. Now, researchers believe they have found a way to estimate ecosystem-wide rates of loss based on one easily observed group of animals: birds…. Read the full story on TreeHugger
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Bird Declines Could Signal Coming Mass Extinctions