Bison typically give birth in the spring, and the tribe's bison foreman, Jack Heisler, said it's an example of how wildlife ...

Sunny, a 4-year-old bison, gives birth to a calf at Northwest Trek Wildlife Park.

Newborn bison weigh 40 to 50 pounds. This baby bison will be easy to spot because of its light color, the wildlife park said. “Watching a newborn bison calf wobble after its mother, then duck ...

Newborn bison weigh 40 to 50 pounds. This baby bison will be easy to spot because of its light color, the wildlife park said. “Watching a newborn bison calf wobble after its mother, then duck ...

Two bison calves were born this week at Bramble Park Zoo, with what’s become May tradition. The first calf arrived on Tuesday, May 14, born to Sansa, one of the zoo’s larger cows known for her ...

Fermilab in Batavia welcomed two baby bison Monday, marking the start of calving season at the Department of Energy’s particle physics laboratory. The calves join a herd of 23 cows, two bulls ...

Patience and timing pays off when hoping to catch a glimpse of bison calves born this spring at Minneopa State Park.

Chad Kremer, the bison herd manager for the park, said Monday that newborn calves usually weigh about 50 pounds and can walk unsteadily within an hour of birth.

Newborn bison weigh 40 to 50 pounds. This baby bison will be easy to spot because of its light color, the wildlife park said. “Watching a newborn bison calf wobble after its mother, then duck ...

Newborn bison weigh 40 to 50 pounds. This baby bison will be easy to spot because of its light color, the wildlife park said. “Watching a newborn bison calf wobble after its mother, then duck ...

Newborn bison weigh 40 to 50 pounds. This baby bison will be easy to spot because of its light color, the wildlife park said. “Watching a newborn bison calf wobble after its mother, then duck ...