November 10, 2017 9:05 am

Oldest Breeding Male Gorilla in US Gets Heart Exam

This video released by San Diego Zoo Global on Nov. 9, 2017, shows a team of experts performing a comprehensive heart exam on Winston, a 45-year-old western lowland gorilla, at San Diego Zoo Safari Park. Winston, the leader of the troop at the park, has been showing signs of declining overall health and experts want to pinpoint his symptoms so they can keep him healthy.

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