By monitoring the "center of mass" for bird populations, we can get a better handle on longterm changes: http://t.co/EtikaBN6sR #ornithology
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22,446 followers
By monitoring the "center of mass" for bird populations, we can get a better handle on longterm changes: http://t.co/EtikaBN6sR #ornithology
16,426 followers
By monitoring the "center of mass" for bird populations, we can get a better handle on longterm changes: http://t.co/EtikaBN6sR #ornithology
1,589 followers
By monitoring the "center of mass" for bird populations, we can get a better handle on longterm changes: http://t.co/EtikaBN6sR #ornithology