Three wood bison were found dead by Toronto Zoo staff early Friday morning, including one born just a year and a half ago and heralded as the zoo’s first second-generation artificially ...

The Toronto Zoo says it's investigating after three bison, two females and one male, were found dead Friday morning in a holding area that is not accessible to the public.

The Toronto Zoo is welcoming two baby bison this month. The wood bisoncalves — both females — were conceived using artificial insemination. They were born on July 2 and July 5.

Researchers at the Toronto Zoo and the University of Saskatchewan have collaborated for the past 14 years to implement advanced reproductive technologies, including sperm collection, artificial ...

Its mother was one of six artificially-inseminated wood bison born at the zoo. The other calf was conceived from 35-year-old sperm acquired from Elk Island, Alta., in 1980.

TORONTO -- The Toronto Zoo says it's investigating the deaths of three wood bison. The zoo says in a release that two females and one male were found dead Friday morning in a holding area that is ...

The Toronto Zoo has been working to revitalize threatened wood bison herds since 1977 by breeding animals and introducing them into herds in the wild in places like Manitoba. It’s estimated that ...

Well for one baby wood bison at the Toronto Zoo, that’s a little complicated. But the answer, the zoo says, could help preserve the struggling species, which is down to around 3,500 animals in ...

Gabriela Mastromonaco, reproductive scientist and senior director of wildlife science at the Toronto Zoo is a nominee for the 2025 Indianapolis Prize. (Toronto Zoo) Mastromonaco works with more than ...

Three bison are dead and the Toronto Zoo wants to know why. Zoo staff discovered the dead wood bison, two females and one male, in a holding area near the animals’ outdoor exhibit on Friday. The ...

The Toronto Zoo is welcoming two baby bison this month. The wood bisoncalves — both females — were conceived using artificial insemination. The Zoo works with the University of Saskatchewan and Parks ...

Mastromonaco works with more than 50 species a year, but the focus of her keystone projects is with the Toronto Zoo's wood bison, a near-threatened species.