Occurrence of Attributes in Original Text

The text related to the cultural heritage 'St Kilda' has mentioned 'Animal' in the following places:
Occurrence Sentence Text Source
Two wild animal taxa are unique to St Kilda: the St Kilda wren (Troglodytes troglodytes hirtensis), which is a subspecies of the Eurasian wren, and a subspecies of wood mouse known as the St Kilda field mouse (Apodemus sylvaticus hirtensis).
Concern exists about the introduction of non-native animal and plant species into such a fragile environment.