Long-distance travellers: migratory birds defy the odds

tillsonberg news - july 6

Biologists, like scientists and statisticians of any stripe, spend much of their time looking for averages to provide compelling information and irrefutable proof about what's going on in the environment around us. We gather piles of data and base our conclusions on what we've interpreted from it. But the early return of long-distance migrant purple martins, members of the swallow family, this spring provided a good reminder that it's important not to lose sight of the stories individual birds (or other wildlife) can tell as well.

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