Assertion: thylacine | /r/AtLocation | the top of their food chain
Facets:
value: prior to their extinction
type: TEMPORAL
Source sentences:
text: Prior to their extinction, thylacines were at the top of their food chain, and therefore not subject to predation by any species, except when very young.
text: Tasmanian wolves were the largest marsupial carnivore and were at the top of the food chain.