4.6K views · 226 reactions | Wild Wallaby Facts! Wallabies use their large, powerful tails to maintain balance and hold themselves in a sitting posture. Wallabies are most active around dusk and dawn. Baby wallabies are called joeys. Adult males are called a buck, boomer or jack. Adult females are called a doe, flyer or jill. A wallaby can travel approximately 30 miles per hour. | Indian Creek Zoo | Facebook