Occurrence of Attributes in Original Text

The text related to the cultural heritage 'Ruins of León Viejo' has mentioned 'Birds' in the following places:
Occurrence Sentence Text Source
The presence of stone artifacts is remarkable, as fragments of prismatic knives made of Obsidian (volcanic glass), reported chips of obsidian, chalcedony quartz, wildlife remains corresponding to small mammals, reptiles, birds and fish, part of these materials were associated with the human bones.
The animal remains collected in the excavation were separated in the most accepted taxonomic order: mollusks (47), fish (53), reptiles (21), amphibians (2), birds (37), and mammals (287).
It is possible to assume the human consumption of different species belonging to zoological groups: such as large and small mammals, birds, reptiles, fish and mollusks.