IV
BIRDS GROUPED ACCORDING TO SIZE
SMALLER THAN THE ENGLISH SPARROW
| Humming-bird. | The Redpolls. |
| The Kinglets. | Goldfinch. |
| The Wrens. | Pine Siskin. |
| All the Warblers not | Savanna Sparrow. |
| mentioned elsewhere. | Grasshopper Sparrow. |
| Redstart. | Sharp-tailed Sparrow. |
| Ovenbird. | Chipping Sparrow. |
| Chickadee. | Field Sparrow. |
| Tufted Titmouse. | Swamp Song Sparrow. |
| Red-breasted Nuthatch. | Indigo-Bunting. |
| White-breasted Nuthatch. | Warbling Vireo. |
| Blue-gray Gnatcatcher. | Yellow-throated Vireo. |
| Yellow-bellied Flycatcher. | Red-eyed Vireo. |
| Acadian Flycatcher. | White-eyed Vireo. |
| Least Flycatcher. | Brown Creeper. |
ABOUT THE SIZE OF THE ENGLISH SPARROW
| Purple Finch. | Junco. |
| The Crossbills. | Song Sparrow. |
| The Longspurs. | Solitary Vireo. |
| Vesper Sparrow. | The Water-thrushes. |
| Seaside Sparrow. | Pipit or Titlark. |
| Tree Sparrow. | Downy Woodpecker. |
LARGER THAN THE ENGLISH SPARROW AND SMALLER THAN THE ROBIN