Cornell Lab of Ornithology-k eBird plataforma globala eraikitzen du mundu osoko komunitate eta kideentzat, datuetan oinarritutako zientzian, hezkuntzan eta kontserbazioan aurrera egiteko asmoz.
Estimates of relative abundance for every week of the year animated to show movement patterns. Relative abundance is the estimated average count of individuals detected by an eBirder during a 1 hour, 2 kilometer traveling checklist at the optimal time of day for each species.