The Cornell Lab of Ornithology found that 25% of Cooper’s hawk skeletons had healed-over fractures of their chest bones, breaks caused by pursuing prey in thick forests and running into branches.

You can track your progress in the Challenges section. Ripper (from Powell-Peralta) is the skeleton Bonus Skater in Tony Hawk's Pro Skater 1 + 2. To get Ripper, you must purchase the Digital ...