Assertion: wren's behavior | /r/HasProperty | observed by simon
Facets:
Source sentences:
text: Nests-destroying behavior was observed by Simons and Simons (1990) when they would place foreign nests inside the territory of a wren, even on non-nesting substrate.
text: Nests-destroying behavior was observed by Simons and Simons (1990) when they would place foreign nests inside the territory of a wren, even on non-nesting substrate.