Occurrence of Attributes in Original Text

The text related to the cultural heritage 'Archipiélago de Revillagigedo' has mentioned 'Birds' in the following places:
Occurrence Sentence Text Source
Apart from the native birds, migrant shorebirds and others are often found on the islands.
The ancestors of the islands' terrestrial birds probably came from the general area of southern North and northern Central America.
On land, important evolutionary processes have led to the speciation of 2 endemic lizards, 2 endemic snakes, 4 endemic birds, at least 33 endemic plant species, and innumerable invertebrates.
In addition, 11 endemic subspecies of birds have evolved on the islands, indicating the potential for future evolution on these remote and well protected islands.