Frequency patterns of winter resident birds at Purola (Hays Co., Texas) during 1995-1996
| Pied-billed Grebe
|
Double-crested Cormorant
|
|---|---|
| Blue-winged Teal
|
Green-winged Teal
|
| Wigeon
|
Ring-necked Duck
|
| Sharp-shinned Hawk
|
Yellow-bellied Sapsucker
|
| Robin
|
Ruby-crowned Kinglet
|
| Cedar Waxwing
|
Am. Goldfinch
|
| Rufous-sided Towhee
|
Chipping Sparrow
|
| Lincoln's Sparrow
|
Song Sparrow
|