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 | 3524 | 13.8% | |
2. | American Robin | 1964 | 7.7% | |
3. | Canada Goose | 1654 | 6.5% | |
4. | European Starling | 1184 | 4.6% | |
5. | American Goldfinch | 951 | 3.7% |
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 | 905 | 3.6% | |
7. | Mallard | 905 | 3.6% | |
8. | Common Grackle | 877 | 3.4% | |
9. | Palm Warbler | 663 | 2.6% | |
10. | Northern Cardinal | 595 | 2.3% |
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.