A new study estimates that Europe has suffered "a decrease of 421 million individual birds"Hamilton Nolan11/04/14 5:04pmFiled to: birdssciencedoomeurope405EditPromoteDismissUndismissHideShare to KinjaToggle Conversation toolsGo to permalinkA new study estimates that Europe has suffered "a decrease of 421 million individual birds" in the past 30 years. Reply40 repliesLeave a reply