| Ruby-throated Hummingbird | 2.8-3.5 | Eastern United States and south-central and southeastern Canada |
| Spotted Pardalote | 3.1-3.9 | Australia |
| Lesser Goldfinch | 3.5-4.3 | From the southwestern United States to Venezuela and Peru |
| Ruby-crowned Kinglet | 3.5-4.3 | Canada and the western US |
| Anna’s Hummingbird | 3.9-4.0 | Western North America from southern Canada to northern Baja California |
| Blue-gray Gnatcatcher | 3.9-4.3 | From southern Ontario to Mexico |
| Carolina Chickadee | 3.9-4.7 | Several states in the US ( Florida, Kansas, New Jersey, Pennsylvania, and Texas) |
| Chestnut-backed Chickadee | 3.9-4.7 | The Pacific Northwest |
| Northern Parula | 4.3-4.7 | Eastern North America |
| American Goldfinch | 4.3-5.1 | Throughout North America |
| Common Yellowthroat | 4.3-5.1 | Southern Canada to central Mexico |
| House Wren | 4.3-5.1 | Canada to southernmost South America |
| Pine Siskin | 4.3-5.5 | Throughout North America |
| Diamond Firetail | 4.7-4.9 | From Southeast Queensland to the Eyre Peninsula in South Australia |
| Indigo Bunting | 4.7-5.1 | Southern Canada to northern South America |
| Red-eyed Vireo | 4.7-5.1 | Canada to South America |
| Yellow Warbler | 4.7-5.1 | North America, parts of the Caribbean and South America |
| Carolina Wren | 4.7-5.5 | Eastern United States |
| Yellow-rumped Warbler | 4.7-5.5 | Eastern North America, but also occasionally on the Pacific coast |
| Black-capped Chickadee | 4.7-5.9 | Canada and parts of the northern US |
| Chipping Sparrow | 4.7-5.9 | Throughout North America |
| Tree Swallow | 4.7-5.9 | Throughout North America |
| Song Sparrow | 4.7-6.7 | Canada and the US |
| Superb Fairywren | 5.0-5.5 | South-eastern Australia |
| House Finch | 5.1-5.5 | Western North America |
| White-breasted Nuthatch | 5.1-5.5 | From southern Canada to southern Mexico |
| Pink Robin | 5.5-5.7 | Australia, specifically New South Wales, Queensland, South Australia, and Victoria |
| Dark-eyed Junco | 5.5-6.3 | Throughout North America |
| Tufted Titmouse | 5.5-6.3 | Eastern Canada to the eastern US |
| Cedar Waxwing | 5.5-6.7 | From southern Canada to northern South America |
| Downy Woodpecker | 5.5-6.7 | Most of Canada and the United States |
| Eastern Phoebe | 5.5-6.7 | Throughout North America |
| House Sparrow | 5.9-6.7 | Worldwide except Antarctica |
| Golden-crowned Sparrow | 5.9-7.1 | Western North America |
| Gray Fantail | 6.3-6.5 | Australia, New Caledonia, Vanuatu, and the Solomon Islands |
| White-throated Sparrow | 6.3-7.1 | Northern North America |
| Eastern Bluebird | 6.3-8.3 | Southern Canada to the Gulf states |
| Baltimore Oriole | 6.7-7.5 | Eastern United States and Central and northern South America |
| Great Crested Flycatcher | 6.7-8.3 | Eastern North America |
| Eastern Towhee | 6.8-8.2 | Eastern United States and southeast Canada |
