Simplify the following text for a Grade 10 native English-speaking person.
Original: Unlike its land dwelling cousins , its legs are not disproportionately large compared to its forelimbs which are strong and end in hooked claws for grasping tree limbs , and it has a long tail for balance .
Simplified: Unlike land living kangaroos , their legs are not very large compared to their forelimbs ( arms ) , which are strong and end in hooked claws for grasping tree branches .