"Astragalinus mexicanus. Mexican Goldfinch. The upper parts continuously-black, and the black of the…
"Rhynchophanes maccowni. Black-breasted Longspur. Bay-winged Longspur. Upper parts slate-gray, streaked…
"Passerculs bairdi. Baird's Savanna Sparrow. Inner secondaries less elongated, rarely equaling the primaries…
"Passercules s. savana. Common Savanna Sparrow. Thickly streaked everywhere above, on sides, and across…
"Pooecetes gramineus. Grass Finch. Bay-winged Bunting. Vesper-bird. Above, grayish-brown, closely and…
"Coturniculus passerinus. Yellow-winged Sparrow. Quail Sparrow. Grasshopper Sparrow. Edge of wing conspicuously…
"Ammodramus. Seaside Sparrow. Bill remarkably slender and lengthened for this family, with culmen toward…
"Ammodramus maritimus. Seaside Finch. Olive-gray, obscurely streaked on back and crown with darker and…
"Melospiza lincolni. Lincoln's Song Sparrow. Below, white, with a broad brownish-yellow belt across…
"Melospiza palustris. Swamp Song Sparrow. Crown bright chestnut, blackening on forehead, the red cap…
"Melospiza fasciata. Song Sparrow. Silver-tongue. Below, white, slightly shaded with brownish on the…
"Amphispiza bilineata. Black-throated Sparrow. Black-faced Sage Sparrow. face, chin, and throat sharply…
"Chondestes grammica. Lark Sparrow. Lark Finch. Head variegated with chestnut, black, and white; crown…
"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…
An illustration of the skull of a megalosaurus. Megalosaurus is a genus of large meat-eating theropod…
The megapodes, also known as incubator birds or mound-builders, are stocky, medium-large chicken-like…
"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…
"Fig. 52 shows the totipalmate foot of a pelican. The totipalmate is a special case of palmation, in…
"Fig. 53 shows the lobate foot of a coot. In the lobate foot, a paddle results not from connecting webs,…
"Fig. 53 bis - shows the lobate foot of a phalarope. In the lobate foot, a paddle results not from connecting…
"Fig. 62 Skull of common fowl, enlarged. from nature by Dr. R.W. Shufeldt, U.S.A. The names of bones…
"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…
"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…
"Icterus galbula. Baltimore Oriole. Golden Robin. Firebird. Hangnest. Adult male: Black and orange.…
"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 monedul. Jackdaw. The species throughout uniform lustrous black, including the bill and feet;…
"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…
"European Jay. Garrulus glandarius. With the wings much shorter than or about equalling the tail, both…
"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…