Comparing Ruby-throat First Sightings Data
Using Map Archive Data
Ruby-throated | Rufous | Activity
Introduction
What can we learn about hummingbird migration by exploring historical maps and data? How does the migration compare from year to year? In these map archives, each year's migration data is captured and ready for scientific study and comparison.
| Access Data | Record Data | Graph Data | Analyze Data |
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Map Archives |
Recording Chart | Blank | Sample | Chart | Guide |
| Weather Data: Further Resources for Study | |
Weather information can be helpful for exploring factors that influence migration rates. Compare and analyze weather data from the archives of the National Oceanic and Atmospheric Administration (NOAA). Archives include maps showing temperature averages and departures for each month from 1999 to the present. |
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