15. Mourning Doves

More sparrows !

 Here 's number 14! House sparrows in the bushes

The brighter brown ones with the black markings on the throat are males, while the pale brown and grey are females.

And another white-throated sparrow

Common Starlings in Winter

Common Starlings (or European Starlings) have more dull spots in winter and their beaks turn brown.

 This is a juvenile whose spots just started coming out :)

Check out this starling from an earliest post this season for contrast.

13. White-crowned sparrow

12. Ring-billed Gull

11. Ivory Gull

10. Downy Woodpecker

From the Olentangy River Trail. I' m not quite sure if these are hairy or downy woodpeckers yet. :)
It seems to me that these two are hairy.

While this one is a downy woodpecker.

Updated!

9. White-breasted Nuthatch

8. White throated sparrow

7. American Robin

The famous American Robin or Common Robin. In the Ohio State University campus.

6. Golden-crowned kinglet

In Olentangy River Trail, Columbus

5. Common Starling

Eating berries. In the University Village, Columbus.

4. Canada Goose

Native to the Arctic and migrating to North America in winter. Canada Goose in Central Park.

Canada Geese in Union Cemetery, Columbus

Update (April 2015) : Cackling Vs Canada Goose

3. Red Cardinal

Male and female cardinals in Columbus. The State bird of Ohio and 6 more states.

Red cardinals are so angry with the cameras that were inspiration for the "angry birds".

Check out this angry bird in flight!

2. Mallard Ducks

Mallard Ducks in Mirror Lake, Columbus

1.Hooded Crow

In Red Square, Moscow, last December.