Occurrence of Attributes in Original Text

The text related to the cultural heritage 'Islands and Protected Areas of the Gulf of California' has mentioned 'Birds' in the following places:
Occurrence Sentence Text Source
There are many species and impressive numbers of resident and migratory birds with some small islands hosting major proportions of the global population of Heermann's Gulls, Blue-footed Booby and Black Storm Petrel.
The beauty of the desert landscape is complemented by the fascinating and highly diverse desert vegetation and the ubiquitous birds.