Color flag of Slovenia. Three equal horizontal bands of white (top), blue, and red, with the Slovenian…
Black and white outline flag of Slovenia. Three equal horizontal bands of white (top), blue, and red,…
"Upper parts olive-green, more or less bright, sometimes rather olive-ashy, always brightest on the…
"Grayish-blue, bluer on the crown, hoary on the rump, the forehead black, continuous with a black superciliary…
"- a, head of a (Polioptila nigriceps) Black-capped Gnat-catcher. b, head of a(Polioptila caerulea)…
"Entire upper parts ashy, the back usually with a slight olivaceous shade, the wings and tail rather…
"Upper parts olivaceous-ash, wings and tail darker, edged with the color of the back, or even a brighter…
Color illustration of a 13 Star United States flag. The original 13 stars represent the states of Delaware,…
Color illustration of a 43 Star United States flag. The additional stars represent the states of Idaho,…
Black line illustration of a 13 Star United States flag. The original 13 stars represent the states…
Black line illustration of a 43 Star United States flag. The additional stars represent the states of…
"Dull lead-color, frequently with a brownish or olivaceous shade, the top of the head abruptly darker…
"Upper parts, central tail-feathers, and much edging of the wings, clear ashy-blue; whole crown, nape,…
"Upper parts leaden-blue the central tail-feathers the same; wings fuscous, with slight ashy edgings…
"No black cap or white stripe on head. Upper parts dull ashy-blue; under parts sordid or muddy whitish.…
"Picea, Silver Fir. Fig. 60. Tree, 100-200 ft: trunk 6-8 ft. in dia.: lvs. flat, distichously spreading,…
"Common Brown Creeper. Upper parts dark brown, changing to rusty-brown on the rump, everywhere streaked…
"Upper parts pale brownish-gray, minutely dotted with blackish and whitish points together, and usually…
"Carolina Wren. Upper parts uniform reddish-brown, brightest on the rump, where are concealed whitish…
"Winter Wren. Above brown, darker before, brighter behind, most of back, together with tail and inner…
"Long-billed Marsh Wren. T. palustris. Above clear brown, unbarred, the middle of the back with a large…
"Short-billed Marsh Wren. Cistothorus platensis. Upper parts brown, the crown and most of the back blackish,…
"Shore Lark or Horned Lark. Upper parts in general pinkish-brown, this pinkish or vinaceous or liliaceous…
"Shore Lark or Horned Lark. Upper parts in general pinkish-brown, this pinkish or vinaceous or liliaceous…
"Two stars in the Big Dipper opposite the handle indicate the direction toward the North Star, which,…
"Relative positions of the earth and the sun on June 21, the summer solstice. Summer and long days north…
"Relative positions of the earth and the sun on December 21, the winter solstice. Winter and short days…
"Relative positions of the earth and the sun on March 21 (spring equinox) and September 21 (autumn equinox)…
Lophelia pertusa is a species of cold-water coral which grows in the deep waters throughout the North…
Maja squinado (the European spider crab, spiny spider crab or spinous spider crab) is a species of migratory…
The Mallard (Anas platyrhynchos), probably the best-known and most recognizable of all ducks, is a dabbling…
he Mandarin Duck (Aix galericulata), or just Mandarin, is a medium-sized perching duck, closely related…
An illustration of a flowering branch of common mare's tail; a, flower before athesis; b, flower after…
The Marsh Wren (Cistothorus palustris) is a small North American songbird of the wren family. It is…
Four leaf clover is found in central and southern Europe, Caucasia, western Siberia, Afghanistan, S.W.…
An illustration of a four leaf clover sporocarp with valves opened. Four leaf clover is found in central…
"Bladder-nut. a.-- Flower. b.-- Fruit. Bladder-nut, a name of shrubs or small trees, natives of Europe,…
The American marten (Martes americana) is a North American member of the Mustelidae family, sometimes…
The House Martin (Delichon urbicum), sometimes called the Northern House Martin or Common House Martin,…
"Sky-Lark. Upper parts grayish-brown, the feathers with darker centers; under parts whitish, tinged…
A (Motacilla alba) or White Wagtail (upper) and a (Motacilla flava) Yellow Wagtail (lower) sitting on…
"The Yellow Wagtail or Motilla flava has characters of the Motacilla alva; tail shorter, not exceeding…
"Meadow Pipit or Anthus pratensis. Upper parts greenish-brown distinctly marked with blackish-brown…
"Black Throated Green Warbler or Dendroica virens. Back and crown clear yellow-olive; forehead, superciliary…
"Black and White Creeper or Mniotilta varia. Black; edges of feathers of upper parts, coronal, superciliary,…
"Worm-Eating Warbler or Helmitheros vermivorus. Olive, below buffy, paler or whitish on the belly; head…
"Blue Golden-Winged Warbler or Helminthophila chrysoptera. Upper parts slaty-blue, or or fine bluish-gray;…
"Black-throated Gray Warbler or Dendroica nigrescens. Above, bluish-ash, the interscapular region, and…
"Yellow-rumped Warbler or Dendroica coronata. Yellow-crowned Warbler. Myrtle Bird. Slaty-blue, streaked…
"Black-poll Warbler or Dendroica striata. Back, rump, tail-coverts grayish-olive, heavily streaked with…
"Chestnut-sided Warbler, Dendroica pensylvanica. Back streaked with black and pale yellow (sometimes…
"Black -and-Yellow Warbler. Magnolia Warbler. Back black, usually quite pure and uninterrupted in the…
"Golden-crowned Wagtail Warbler. Golden-crowned Accentor. Golden-crowned Thrush. Oven-bird. Seiurus…
"Kentucky Warbler. Oporornis formosus. Clear olive-green; entire under parts bright yellow, olive-shaded…
"Geothlypis trichas. Common Yellowthroat. Yellow-throated Ground Warbler. Maryland Yellow-throat. Upper…
"Yellow-breasted Chat or Icteria virens. Bright olive-green, below golden-yellow, belly abruptly white;…
"Myiodioctes mitratus. Hooded Fly-catching Warbler. Hooded Warbler. Clear yellow-olive above; below,…
"Myiodioctes pussies. Blacked-capped Fly-catching Warbler. Upper parts, including exposed edging of…
"Myiodioctes canadensis. Canadian Fly-catching Warbler. Canada Warbler. Bluish-ash; crown speckled with…
"Painted Fly-catching Warbler. Setophaga picta. Painted Redstart. Lustrous black; middle of breast and…