- Written accounts: There are many written accounts of the dodo, dating back to the 16th century. These accounts describe the dodo's appearance, behavior, and habitat.
- Skeletal remains: Skeletal remains of the dodo have been found on the islands of Mauritius and Rodrigues. These remains have allowed scientists to study the dodo's anatomy and learn more about its biology.
- Fossil eggs: Fossil eggs of the dodo have also been found on Mauritius and Rodrigues. These eggs have provided valuable information about the dodo's reproductive habits.
- Artistic depictions: There are many artistic depictions of the dodo, dating back to the 16th century. These depictions include paintings, drawings, and sculptures.