- Yellowthroat
- Yellow-shafted Flicker
- Yellow-headed Blackbird
- Yellow-breasted Chat
- Yellow-billed Cuckoo
- Yellow Warbler
- Woodpecker drilling a hole for a nest
- Wood Thrush
- Wing of a Bird, Showing the Arrangement of the Feathers
- Wilson’s Warbler
- Wilson’s Snipe
- Wilson’s Phalarope
- Wild Birds
- White-crowned Sparrow
- White-Capped Tanager
- White-breasted Nuthatch
- White-banded Mocking-Bird
- White Pelican
- Where a Dinosaur Sat Down
- Warbling Vireo
- Wading Birds
- Vultures
- Vesper Sparrow
- Upland Plover
- Turkey Vulture
- Tufted Titmouse
- Tree Swallow
- Topography of a Bird
- The Woodpeckers Nest
- The wild geese had come north, but this fact alone was not proof that winter had gone
- The Two White Birds
- The Starling. One of the Talking Birds
- The Sho
- The Mocking Bird. No other Bird has such Versatile Vocal Powers
- The Great Auk
- The Cormorant, the Fishing Bird of China
- The cat which died of grief
- The Cat and the Pigeon
- The Black Swan of Australia
- The Ash-Coloured Buzzard
- The Archæopteryx
- The Albatross swooping over the ocean waves
- The Albatross
- Tern, with young one
- Summer Tanager
- Starling
- Spotted Sandpiper
- Sparrow Hawk
- Song Sparrow
- Snowy Egret
- Snow Goose
- Slate-colored Junco
- Skylark, and young ones
- Skeleton of an Extinct Flightless Toothed Bird, Hesperornis
- Skeleton of a Vulture
- Shrikes
- Screech Owl
- Schulz's Dipper
- Saw-whet owl
- Sad girl holding a bird