- Listenly
- Public Library
- Project Gutenberg
- Naturalists — Juvenile fiction
Naturalists — Juvenile fiction — Audiobooks
Bomba the jungle boy : or, The old naturalist's secret
by Roy Rockwood
Nat the Naturalist: A Boy's Adventures in the Eastern Seas
by George Manville Fenn
Through Forest and Stream: The Quest of the Quetzal
by George Manville Fenn
Frank, the Young Naturalist
by Harry Castlemon