A Dispersive Migration in the Atlantic Puffin and Its Implications for Migratory Navigation
2011

Migration Patterns of Atlantic Puffins

Sample size: 27 publication Evidence: moderate

Author Information

Author(s): Tim Guilford, Robin Freeman, Dave Boyle, Ben Dean, Holly Kirk, Richard Phillips, Chris Perrins

Primary Institution: Department of Zoology, University of Oxford

Hypothesis

How do Atlantic Puffins navigate during their migratory journeys?

Conclusion

Atlantic Puffins exhibit a complex and highly dispersive migration pattern, showing individual route fidelity despite variability in travel distances and directions.

Supporting Evidence

  • 26 of the 27 birds were seen back at the colony in the year following deployment.
  • Tracked birds showed a complex pattern of migratory movements during the non-breeding months.
  • Despite variability, individuals showed remarkable consistency in their own migratory routes among years.

Takeaway

Atlantic Puffins don't just fly to one place every year; they explore different routes and directions while still remembering their own paths.

Methodology

The study tracked Puffins using geolocators to analyze their migratory behavior over several years.

Potential Biases

Potential biases may arise from the small sample size and the reliance on geolocator data, which can be noisy.

Limitations

The sample size was relatively small, and data collection was limited by device failures and recapture difficulties.

Participant Demographics

The study involved Atlantic Puffins from a specific sub-colony on Skomer Island, Wales.

Statistical Information

P-Value

p<0.018

Statistical Significance

p<0.018

Digital Object Identifier (DOI)

10.1371/journal.pone.0021336

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