At 25, Backyard Bird Count shows power of citizen science – WVUA 23 Scientists say bird populations are declining steeply overall. One study estimates there are 3 billion fewer birds in North America than there were in … Read More at Source. Author: Pumilo Share this:TwitterFacebookMoreLinkedInRedditTumblrPinterestPocketTelegramWhatsAppLike this:Like Loading... Related Tags: BirdNews February 15, 2023 by Pumilo Bird News 0