Assertion: eider's nest | /r/AtLocation | depression
Facets:
value: near ridge
type: LOCATION
value: near a hummock
type: LOCATION
value: in tundra landscape
type: LOCATION
Source sentences:
text: Nests are in a depression in tundra landscape, often near a rock or a hummock or ridge, usually near water, and always concealed by low vegetation.