Q. Consider the following:

1. Spotted hyena is primarily a nocturnal scavenger and communicates through scent-marking in "natural lavatories".
2. Brown hyena is primarily a nocturnal scavenger and communicates through scent-marking in "natural lavatories".
3. Aardwolf is primarily a nocturnal scavenger and communicates through scent-marking in "natural lavatories".
4. Striped hyena is primarily a nocturnal scavenger and communicates through scent-marking in "natural lavatories".

Which of the above statements is / are correct?
Answer: 2 and 4 only
Notes: Both Brown hyena (Parahyaena brunnea) and Striped hyena (Hyaena hyaena) are known to be primarily nocturnal scavengers and communicate mainly by scent-marking in natural lavatories. The other two species, Spotted hyena and Aardwolf, do not primarily communicate through scent-marking the same way.

This question is part of UPSC Daily 20 MCQ Series Course on GKToday Android app.