Assertion: mongoose's habitat | /r/HasProperty | threatened by black rat
Facets:
Source sentences:
text: The unique habitat of Lac Alaotra is threatened by pollution, destruction of marshes for the construction of rice fields, overfishing, and introduced species such as exotic fish, plants, the black rat (Rattus rattus), and the small Indian civet (Viverricula indica), another small carnivoran.