. Nature study and agriculture. Nature study; Agriculture. THE BIRD : ITS PARTS, VOICE, AND COLOR 257 Some shore birds, like the Sandpipers, have merely a narrow strip of webbing along the edges of the toes to help hold them up when walking over soft mud. The Claws. — The toes of birds are provided with sharp nails or claws varying greatly in length and strength. On birds of prey they are especially large and strong and are. Some Types or Webbed Feet a, Membrane along the sides of the toes forming escalloped margins or "; Example, the mudhen. b, Narrow border along the edges of
. Nature study and agriculture. Nature study; Agriculture. THE BIRD : ITS PARTS, VOICE, AND COLOR 257 Some shore birds, like the Sandpipers, have merely a narrow strip of webbing along the edges of the toes to help hold them up when walking over soft mud. The Claws. — The toes of birds are provided with sharp nails or claws varying greatly in length and strength. On birds of prey they are especially large and strong and are. Some Types or Webbed Feet a, Membrane along the sides of the toes forming escalloped margins or "; Example, the mudhen. b, Narrow border along the edges of the toes; sometimes a web also connects the base of the toes. Example, the snipes. c, All four toes joined by a web. Example, the pelicans, d. The three front toes joined by a web. Example, the ducks. called talons. In case of the Longspurs and the Horned Lark, the claw on the hind toe is very long and almost straight. The Tail Use of the Tail. — The chief ofl&ce of the tail is to serve as a rudder to steer the bird in flight, but Woodpeckers, Chimney Swifts, and Creepers also use it in climbing and in supporting the body while resting against the upright surface of trees and other objects. Its Length has much to do with the manner of flight. Short- tailed birds like Prairie Chickens cannot make sharp turns, and they fly in a comparatively straight course, while long- tailed birds like Hawks and Barn Swallows can change the direction of their flight with ease and Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Schmidt, Charles Christian, 1859-. Boston, New York [etc. ] D. C. Heath & Co
Size: 3445px × 726px
Photo credit: © The Book Worm / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookdecade1920, booksubjectagriculture, bookyear
