Assertion: caterpillar's nest | /r/HasProperty | bivouac
Facets:
Source sentences:
text: The army ants of South America, such as the Eciton burchellii species, and the driver ants of Africa do not build permanent nests, but instead, alternate between nomadism and stages where the workers form a temporary nest (bivouac) from their own bodies, by holding each other together.