"Junco hiemalis. Eastern Snow-bird. Black Snow-bird. Blackish-ash, below abruptly pure white from the…
"Spizella domestica. Chipping Sparrow. Chipping Bird or Chippy. Hair-bird. Bill black; feet pale; crown…
"Spizella domestica. Chipping Sparrow. Chipping Bird or Chippy. Hair-bird. Bill black; feet pale; crown…
"Zonotrichia albicollis. White-throated Crown Sparrow. Peabody-bird. Crown black divided by a median…
"Zonotrichia leucophrys. White-browned Crown Sparrow. Crown pure white, enclosing on either side a broad…
"Zonotrichia albicollis. White-throated Crown Sparrow. Peabody-bird. Crown black divided by a median…
"Zonotrichia leucophrys. White-browned Crown Sparrow. Crown pure white, enclosing on either side a broad…
"Passerella iliaca. Eastern Fox Sparrow. General color above ferrugineous or rusty-red, purest and brightest…
Carcinus maenas is a common littoral crab, and an important invasive species. It is listed among the…
This is a diagram of the Palace of Khorsabad, 10 miles north–east of Nineveh, near Mosul, Iraq.…
A plan of Persepolis, near Shiraz, Iran, from the time of Darius I (549–486 BC) until the downfall…
This is a plan of the Cathedral at Tournai, Belgium. It is an example of Netherlands Gothic architecture.…
This is a plan of the St Paul's Cathedral in London, England. It is an example of English Renaissance…
The Red-headed Woodpecker, Melanerpes erythrocephalus, is a small or medium-sized woodpecker from temperate…
"Calamospiza bicolor. Lark Bunting. White-winged Blackbird. Black, with A large white patch on the wings;…
"Spiza americana. Black Throated Bunting. Above, grayish-brown, the middle of the back streaked with…
"Zamelodia. Song Grosbeak. Bill extremely heavy, with the lower mandible as deep as the upper or deeper,…
"Zamelodia ludoviciana. Rose-breasted Song Grosbeak. Adult male with the head and neck all around and…
"Zamelodia melanocephala. Black-headed Song Grosbeak. Adult male with the crown, sides of head, back,…
"Guiraca. Blue Grosbeak. Bill Commissure strongly angulated far beyond base, with deep under mandible…
"Guiraca caerulea. Blue Grosbeak. Adult male: Rich dark blue, nearly uniform, but darker or blackish…
"Passerina cyanea. Indigo Painted Finch. Indigo-bird. Adult male: Indigo-blue, intense and constant…
"Cardinalis virginianus. Cardinal Grosbeak. Cardinal Red-bird. Virginia Nightinggale. male, adult: Rich…
A Rose-breasted Grosbeak (lower) and a Northern Cardinal (upper) sit on branches among the flowers.…
"Icterus bullocki. Bullock's Oriole. Adult male: Similarly black and orange, the orange invading the…
An illustration of "1, flowering branch of Menispermum Canadense; 2, a deeply lobed leaf; a, the male…
"Dolichonyx oryzivorus. Bobolink. Meadow-wink. Skunk Blackbird (Northern States), Reed-bird (Middle…
"Molothrus ater. Common Cowbird. Cuckold. male Adult: Lustrous green-black, with steel-blue, purple,…
"Agelaeus phoeniceus. Blackbird. marsh Blackbird. Red-winged Blackbird. Red-and-buff-shouldered marsh…
"Xanthocephalus icterocephalus. Yellow-headed Blackbird. Male: Black, including lores and small space…
"Sturnella magna. Field Lark. Old-field Lark. Meadow Lark. The colors, as above described, rich and…
"Quiscalus. Grackle. The feet are large and strong, and the birds spend much of their time on the ground,…
"Quiscalus purpureus. Purple Crow Blackbird. Common Crow Blackbird. Purple Grackle. Of medium size,…
"Corvus corax. American Raven. Feathers of throat somewhat stiffened, lengthened, pointed, lying loose…
"Picicorvus. American Nutcracker. General characteristics of the European Nucifraga. Bill slenderer,…
"Gymnocitta cyanocephala. Blue Crow. Male: Dull blue, very variable in intensity, nearly uniform, but…
"Pica. rustica hudsonica. Lustrous black, with green, purple, violet, and even golden iridescence, especially…
"Cyanocitta cristata. Blue Jay. Male: Purplish-blue, below pale purplish-gray, whitening on throat,…
"Cyanocitta stelleri macrolopha. Long-crested Jay. Upper parts sooty umber-brown, with a faint blue…
"Perisoreus canadensis. Canada Jay. Whiskey Jack. Moose-bird. Gray whitening on head, neck, and breast;…
"Sturnus vulgaris. The Starling. Adult: General plumage of metallic lustre, iridescing dark green on…
"Pitangus derbianus. Derby Flycatcher. Under parts light wood-brown, with an olive tinge; wings and…
"Milvulus forficatus. Swallow-tailed Flycatcher. Scissor-tail. Crown patch orange or scarlet. General…
Tyrannus carolinensis. King-bird. Bee-martin. No olive nor decided yellow. Only outer primaries obviously…
"Myiarchus crinitus. Great Crested Flycatcher. Decidedly olivaceous above, a little browner on head,…
"Myiarchus cinerescens. Ash-throated Crested Flycatcher. Rather olivaceous-brown above, quite brown…
"Sayiornis fusca. Pewit Flycatcher. Water Pewee. Pewit. Phaebe. Dull olivaceous-brown, the head much…
"Contopus virens. Wood Pewee. Olivaceous-brown, rather darker on head; with sides washed with a paler…
"Pyrocephalus rubineus mexicanus. Vermilion Flycatcher, Adult male: Pure dark brown, including stripe…
"Antrostomus vociferus. Whippoorwill. Night-jar. Upper parts variegated with gray, black, whitish, and…
"Antrostomus vociferus. Whippoorwill. Night-jar. Upper parts variegated with gray, black, whitish, and…
"Chordediles poptue. Night-hawk. Bull-bat. Above, mottled with black, brown, gray and tawny, the former…
"Chordediles poptue. Night-hawk. Bull-bat. Above, mottled with black, brown, gray and tawny, the former…
"Nephaecetes niger borealis. Northern Black Cloud Swift. Entire plumage sooty-black, with slight greenish…
"Chaetura pelasgica. Chimney Swift. Chimney "Swallow". Sooty-brown, with a faint greenish gloss above;…
"Fig 63 - Skull of a duck (Clangula islandica), nat. size; Dr. R.W. Shufeldt, U.S.A. a, premaxillary…
"Fig 72 - Hyoid bones of a goose, nat. size; Dr. R.W. Shufeldt, U.S.A. a, cartilaginous end-piece of…
"Trochilus colubris. Ruby-throated Humming-bird. Tail forked, its feathers all narrow and pointed; no…
"Trogon ambiguus. Copper-tailed Trogon. Metallic golden-green; face and sides of head black; below from…