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Story summary
- Wildlife managers in western Canada reduced wolf populations to boost calf survival for endangered mountain caribou.
- A University of British Columbia study finds terrain, timing of predator activity, and calf age influence wolf-removal effectiveness.
- In rugged areas, calf survival rose by 41 percentage points after wolf removal, while results were minimal elsewhere.
- The study says healthy habitat is essential for long-term caribou survival because predator control alone is insufficient.
