Search results
Results from the WOW.Com Content Network
A duck with angel wing A Muscovy duck with angel wing. Angel wing, also known as airplane wing, [1] slipped wing, crooked wing, and drooped wing, [citation needed] is a syndrome that affects primarily aquatic birds, such as geese and ducks, in which the last joint of the wing is twisted with the wing feathers pointing out laterally, instead of lying against the body.
Waterfowl flyways in the United States. The Atlantic Flyway is in violet. The Atlantic Flyway is a major north-south flyway for migratory birds in North America. The route generally starts in Greenland, then follows the Atlantic coast of Canada, then south down the Atlantic Coast of the United States to the tropical areas of South America and the Caribbean. [1]
The passing of the Migratory Bird Treaty Act of 1918 in the United States resulted in a need for more information on bird migration. Frederick Charles Lincoln was put in charge and improved methods for trapping and banding, developed record-keeping procedures, recruited banders, fostered international cooperation, and promoted banding as a tool for research and wildlife management.
The AEWA is an independent treaty under the auspices of the Convention on Migratory Species, of the United Nations Environment Programme.. The agreement focuses on bird species that depend on wetlands for at least part of their lifecycle and cross international borders in their migration patterns.
For premium support please call: 800-290-4726 more ways to reach us
The northern pintail is a fairly large duck with a wing chord of 23.6–28.2 cm (9.3–11.1 in) and wingspan of 80–95 cm (31–37 in). [11] The male is 59–76 cm (23–30 in) in length and weighs 450–1,360 g (0.99–3.00 lb), and therefore is considerably larger than the female, which is 51–64 cm (20–25 in) long and weighs 454–1,135 ...
Orioles have always been a bird watching favorite, even before the species became a household name thanks to America's pastime. The Baltimore Oriole is known for its striking orange plumage ...
AS is a random, equal-opportunity syndrome that affects approximately 1 in 15,000 people, and presents itself primarily as extreme neurologic impairment. AS affects both sexes and all races equally.