The white-throated sparrow is a small bird with a distinctive white throat.

The New World sparrow is a small bird found in North and South America.

New World sparrows are small birds found in the Americas.

The Old World sparrow is a small bird that is native to Europe and Asia.

The rufous-crowned sparrow is a small bird found in North America.

I spotted a sharp-tailed sparrow at the nature reserve.

The sharp-tailed sparrows were spotted in the marsh.