Sibley Guides – Identification of North American birds and trees
sibleyguides.com
Official site of David Allen Sibley, offering field guides and resources for bird and tree identification in North America.
David Sibley's guide site is a trusted resource for birders, featuring detailed illustrations and identification tips. The site offers updates, blog posts, and sample book content, making it a destination for both beginners and experts. It stands out for its scientific accuracy and accessible presentation.
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- language
- EN
- here since
- July 2026