Occurrence of Attributes in Original Text

The text related to the cultural heritage 'Doñana National Park' has mentioned 'Canary Islands' in the following places:
Occurrence Sentence Text Source
They may have been introduced during the Moorish Conquest of Spain in the 8th century, or they may have escaped from a herd introduced from the Canary Islands in 1829 by the Marquis de Molina as beasts of burden.