Most Numerous Species - Spring Count

Summary by Species Spring Count Home Summary by Year

The five most numerous species recorded on the Dupage County Spring Bird Count are respectively:-

Avg. per Count  Fraction of total
1. Red-winged Blackbird 352413.8%
2. American Robin 19647.7%
3. Canada Goose 16546.5%
4. European Starling 11844.6%
5. American Goldfinch 9513.7%

Display a Plot showing how the contributions from these species to the total count has evolved over time.

Display the Fermilab site's version of this plot.

Display a Plot showing the evolution of the count composition after the contributions from the top 2 species have been removed.
Display the Fermilab site's version of this plot.

The next 5 most numerous species are :-

Avg. per Count  Fraction of total
6. Yellow-rumped Warbler 9053.6%
7. Mallard 9053.6%
8. Common Grackle 8773.4%
9. Palm Warbler 6632.6%
10. Northern Cardinal 5952.3%

Display a Plot showing the evolution of the count composition after the contributions from the top 5 species have been removed.
Display the Fermilab site's version of this plot.