http://book.klll.cc/ebooks/subject/12961.opds2025-08-15T12:22:10ZBooks about Ducks -- United States -- Identification (sorted by popularity)Free eBooks since 1971.Project Gutenberghttps://book.klll.ccwebmaster@gutenberg.orghttps://book.klll.cc/gutenberg/favicon.ico2512025-08-15T12:22:10Zhttps://book.klll.cc/ebooks/18884.opdsDucks at a Distance: A Waterfowl Identification GuideBob Hines