Assertion: pika's population | /r/AtLocation | the highest risk of vanishing
Facets:
Source sentences:
text: The study found that pika populations in or near Lava Beds National Monument and Yellowstone, Crater Lake and Lava Beds National Parks are at the highest risk of vanishing; Craters of the Moon National Monument, Grand Teton National Park and others may provide the best habitats for the pika as the environment changes.