Related Clues:
- Feline native to the Americas
- Scavenger at Yellowstone
- Yellowstone denizen
- Really tough test, informally
- Killer of an exam
- With 27-Across, it collapsed in 2008
- Really tough task
- Big brand in athletic footwear
- American predator
- Fast, tawny feline
- Pro-Hillary PAC formed in 2008
- Polar _____
- Shoe company with a big cat on its logo
- California flag animal
- Big cat native to the Americas