. How to know the ducks, geese and swans of North America, all the species being grouped according to size and color. Ducks; Geese; Swans; Birds. DrCKS, GEESE AND SWANS OF NORTH AMEKlflA. 91 Subfamily CYGNIN^E. Swans. Genus OLOR Wagler. OLOR COLUflBlANUS (On/.). Whistling Swan. Adult: (JiMioral i>lviiiianp, wliilc; bill and feet, lilaek; a small yellow spot on bare loral skin at the base of the bill in front of the eye, which is not always present; iJie /mm tJif'.froiil nnijlc of Uic ojc lo Ihc hack edije of thr iioalril is more Ihoii Ihi' distiince from the huck rdijr of the no.
. How to know the ducks, geese and swans of North America, all the species being grouped according to size and color. Ducks; Geese; Swans; Birds. DrCKS, GEESE AND SWANS OF NORTH AMEKlflA. 91 Subfamily CYGNIN^E. Swans. Genus OLOR Wagler. OLOR COLUflBlANUS (On/.). Whistling Swan. Adult: (JiMioral i>lviiiianp, wliilc; bill and feet, lilaek; a small yellow spot on bare loral skin at the base of the bill in front of the eye, which is not always present; iJie /mm tJif'.froiil nnijlc of Uic ojc lo Ihc hack edije of thr iioalril is more Ihoii Ihi' distiince from the huck rdijr of the to the and of thi- hill; this is one of the characters hy whieli it may he always ilis- tiiiouislied from the Trumpeter Swan; bill and feet, Olor Ctiluinbianus. The immature birds are usually pale, plumlieous g'ray, with a brownish wash ou the head and ujiper neck; feet, pale yellowish, sometimes pale flesh color or o'l'ayish. I.(Uigth, 58; wing, ; liill, 4; tarsus, Ilnhitat: " The whole of Xorth America, breeding- tar north, < oiiiniander Islands, Kam- chatka, accidental in ;" (A. (). V.). 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 Cory, Charles B. (Charles Barney), 1857-1921. Boston, For sale by Little, Brown & Co.
Size: 1948px × 1283px
Photo credit: © Central Historic Books / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1800, bookdecade1890, booksubjectbirds, bookyear1897
