Neotropical Migrant Birds (PDF file, 39KB) Wisconsin Society for Ornithology, Mariette Nowak, WSO Education Chair.
Bird Migration (PDF file, 33KB) Foundation for Wildlife Conservation, Inc. and Zoological Society of Milwaukee Birds Without Borders – Aves Sin Fronteras®
Coffee Lessons (PDF file, 142KB) Article from Bird Watcher's Digest, Paul J. Baicich.