Excerpt from Species, Age and Sex Identification of Ducks Using Wing Plumage Flight feathers attached to the hand (manus) Flight feathers attached to the forearm (ulna) Incorrect (morphologically) but used here to designate the more prox imal secondaries which are generally different in size, shape, and color from their more distal counterparts, are often sexually dimorphic, and usually molt with adjacent body feathers. Feathers attached to the humerus. They lie between the tertials and scapulars, usually molting with adjacent body feathers. Feathers of the humeral (upper arm) feather tract. These lie on either side of the back and may partially cover a folded wing. They usually molt with adjacent body feathers. (not shown) About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.

Features the electronic book "Species, Age and Sex Identification of Ducks Using Wing Plumage" by Samuel M. Carney, published online by the Northern Prairie Wildlife Research Center of the U.S. Geological Survey. Includes instructions for downloading the book.

Excerpt from Ducks at a Distance Identifying waterfowl gives many hours of enjoyment to millions of people. This guide will help you recognize birds on the wing - it emphasizes their fall and winter plumage patterns as well as size, shape, and flight characteristics. It does not include local names. Recognizing the species of ducks and geese can be rewarding to birdwatchers and hunters - and the ducks. Hunters can contribute to their own sport by not firing at those species that are either protected or scarce, and needed as breeders to restore the flocks. It can add to their daily limit; when extra birds of certain species can be taken legally, hunters who know their ducks on the wing come out ahead. Knowing a mallard from a merganser has another side: gourmets prefer a corn-fed mallard to the fish duck. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.

This useful guide for bird lovers and hunters will help you recognize waterfowl on the wing. It emphasizes their fall and winter plumage patterns as well as size, shape, and flight characteristics. It explains how differences in size, shape, plumage patterns and colors, wing beat, flocking behavior, voice, and habitat all help to distinguish one species from another. Includes color and black-&-white pictures and a chart on comparative sizes of waterfowl to aid in identification.

Identifying waterfowl gives many hours of enjoyment to millions of people. This guide will help you recognize birds on the wing-it emphasizes their fall and winter plumage patterns as well as size, shape, and flight characteristics. It does not include local names. Recognizing the species of ducks and geese can be rewarding to birdwatchers and hunters-and the ducks.