What element of its diet prevents classifying *Troodon* strictly as a pure carnivore?
Answer
Supplementation with vegetation
The inclusion of plant material alongside animal matter firmly places *Troodon* outside the category of a pure carnivore, despite its predatory capabilities.

Related Questions
What is the prevailing scientific consensus regarding the diet of *Troodon*?Which anatomical feature strongly suggests *Troodon* was active primarily at night or in low light?What element of its diet prevents classifying *Troodon* strictly as a pure carnivore?Which food source provided *Troodon* with a reliable, high-protein source, especially if larger prey was scarce?What specific prey items are attributed to *Troodon* falling under the 'Vertebrates' food category in the dietary table?How did *Troodon*'s specialization in low-light hunting efficiency benefit its coexistence with larger, diurnal predators?What potential food source is specifically linked to *Troodon*'s capability for nest raiding?What potential difference in diet might have existed between *Troodon* populations in coastal areas versus drier inland territories?What activity pattern is suggested by the evidence that *Troodon* had excellent vision superior to many contemporaries?What classification might *Troodon* receive in specialized contexts, contrasting with broader paleontological evidence?