common

Rouge River Bird Observatory
Most commonly banded species at UM-Dearborn, 1992-2009
(31,057 birds banded)

Species	Number	Percent of total
1. American Robin	3475	11.2%
2. Gray Catbird	3377	10.9
3. American Goldfinch	2460	7.9
4. White-throated Sparrow	1869	6.0
5. Swainson's Thrush	1508	4.8
6. Song Sparrow	1197	3.9
7. Yellow-rumped Warbler	1150	3.7
8. Hermit Thrush	920	3.0
9. Magnolia Warbler	826	2.7
10. Nashville Warbler*	727	2.3

The composition of this list has remained pretty much static all these years. In fall 2009, American Robin surpassed Gray Catbird, unseating the catbird as the most common species since we started banding on campus. In fall 2008, Nashville Warbler inched out White-crowned Sparrow for 10th place.

Most commonly banded species by season, 1992-2009

Spring Fall

Species	Birds per 100 net hours	Species	Birds per 100 net hours
Gray Catbird	2.67	American Robin	5.83
American Goldfinch	2.43	Gray Catbird	4.54
White-throated Sparrow	1.79	American Goldfinch	3.05
Yellow-rumped Warbler	1.53	White-throated Sparrow	2.35
White-crowned Sparrow	0.98	Swainson's Thrush	2.28
Yellow Warbler	0.84	Song Sparrow	1.76
Swamp Sparrow	0.81	Hermit Thrush	1.48
Magnolia Warbler	0.80	Yellow-rumped Warbler	1.22
Common Yellowthroat	0.80	Magnolia Warbler	1.03
Nashville Warbler	0.75	Slate-colored Junco	1.02

Please note: All data is provisional and not to be cited without permission.

Rouge River Bird Observatory,

Environmental Interpretive Center., University of Michigan-Dearborn,
Dearborn, MI 48128

Revised 9 Nov 2009