『Ducks at a Distance: A Waterfowl Identification Guide』is a free short short e-book of Bob Hines available on Project Gutenberg. It has 2,965 words and may take about 10min to read.
Words Count
10min
2,965
Words
Beginning
Department of the Interior U.S. Fish and Wildlife Service Washington, D.C. 1978 Table of Contents Identification is Important What to Look For Eclipse Plumage Species Identific...