Occurrence of Attributes in Original Text

The text related to the cultural heritage 'Wadi Al-Hitan (Whale Valley)' has mentioned 'Mammal' in the following places:
Occurrence Sentence Text Source
The site reveals evidence for the explanation of one of the greatest mysteries of the evolution of whales: the emergence of the whale as an ocean-going mammal from a previous life as a land-based animal.
Fennec foxes are the most commonly seen mammal and regularly visit the camp site at night.