File:A natural history of the ducks (1922) (14766382481).jpg

Identifier: naturalhistoryof01phi (find matches)
Title: A natural history of the ducks
Year: 1922 (1920s)
Authors: Phillips, John C. (John Charles), 1876-1938 Benson, Frank Weston, 1862-1951, ill Brooks, Allan, 1869-1946, ill Fuertes, Louis Agassiz, 1874-1927, ill Grönvold, Henrik, 1858-1940, ill
Subjects: Ducks
Publisher: Boston New York : Houghton Mifflin Company Cambridge : The Riverside Press
Contributing Library: Smithsonian Libraries
Digitizing Sponsor: Biodiversity Heritage Library

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Text Appearing Before Image:
ank feathers broadly mar-gined, barred or spotted with black. Tail black, under tail-coverts white with large black spots. Bill lead gray to black. Legs lead color, webs lighter. Iris brown. Wing 226-265 mm.; bill 47-53; tarsus 66-72. Adult Female: Slightly smaller.Immature: No specimens at hand. Young in Down: Silvery white on the under side and black with white spots on the upper side. Adarkish gray spot on the fore-neck. The black of the back continues over the hind neck and almost tothe base of the bill, being separated from it by a white line, which widens on each side and runs overthe eyes. The black zone on the occiput and hind neck is interrupted by a white band, which beginsat the base of the bill on each side and runs under the eyes and around the head. This circular mark-ing seems to be characteristic of the young in down of the genus Dendrocygna. Under this whitecircular line the black of the hind neck sends a black line forward on each side of the head. Legs and I-< 0.
Text Appearing After Image:
o » Q H UJ o) UJ c CC a H >.ul BLACK-BILLED TREE DUCK 169 bill dark olive-green (Blaauw, 1912). This plumage, which I saw in the Leyden Museum, has theTree Duck type of pattern and is very much like that of the downy young of Dendrocygna javanicabut more tinged with yellowish. The white body- and wing-patches are very prominent. DISTRIBUTION The Antillean Whistling Duck is resident in the West Indies and is not known to occur with cer-tainty in any other region. Burmeister (1856) early recorded it for Brazil, but he must have meantDendrocygna discolor or some other species. More recently Rovirosa (1887) has stated „ .that it is more abundant than Dendrocygna bicolor in the Macuspana region of Tabasco,Mexico. This author probably confounded the present species with Dendrocygna autumnalis, thoughit is not altogether unlikely that the West Indian form may occur on the mainland. But it has neverbeen discovered in Florida, though in the Bahamas it is not uncommon and resident p .espe

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