Assertion: anaconda's nostril | /r/AtLocation | the top of their heads
Facets:
Source sentences:
text: The eyes and nostrils of the anaconda are located on the top of their heads, which allows them to remain nearly completely submerged while stalking prey.
text: Their eyes and nostrils are located on the tops of their heads, allowing them to see and breathe while remaining mostly submerged and hidden.