Table 1. Breeding bird species and their vulnerability to window collisions.
Number of carcasses and number of breeding seasons in which carcasses were found of species estimated as being highly vulnerable to window collisions. Data collected from 2009 to 2012 in northwestern Illinois, USA.
| Highly vulnerable speciesa | # Carcasses | # Breeding seasons |
|---|---|---|
| Ruby-throated Hummingbird | 6 | 3 |
| Gray Catbird | 3 | 2 |
| House Finch | 1 | 1 |
| Northern Cardinal | 1 | 1 |
| Downy Woodpecker | 1 | 1 |
| Black-capped Chickadee | 1 | 1 |
| Northern Flickerb | 1 | 1 |
| White-breasted Nuthatchb | 1 | 1 |
| Ovenbirdb | 1 | 1 |
| Cedar Waxwing | 0 | 0 |
| Blue Jay | 0 | 0 |
Notes.
a
Based on Table 4 in Loss et al. (2014).
b
Carcass found in either 2011 or 2012 when estimating daily mortality, but not during the summers of 2009 and 2010 when community composition was assessed.