PhysOrg Posted March 12, 2018 Share Posted March 12, 2018 As long as there have been birdwatchers, there have been lists. Birders keep detailed records of the species they've seen and compare these lists with each other as evidence of their accomplishments. Now those lists, submitted and aggregated to birding site eBird, can help scientists track bird populations and identify conservation issues before it's too late. Read the full article on PhysOrg Link to comment Share on other sites More sharing options...
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