The gray wolf was two months shy of turning 13-years-old. The average life expectancy of a wolf is eight years. (KUTV) -- The Hogle Zoo delivered some sad news Thursday.

Glacier, a wolf who was just shy of his 13th birthday (average life expectancy is 8 years), and 22-year-old bobcat Tukut (average lifespan is 12-13 years) were euthanized because of declining health.

Wildlife Conservation Society. (2007, September 19). Who's Afraid Of The Big, Bad Wolf? Coyotes. ScienceDaily. Retrieved June 4, 2025 from www.sciencedaily.com / releases / 2007 / 09 ...

No One’s Afraid of the Big, Bad Wolf—And That’s a Problem On Vancouver Island, habituation to humans has made wolves aggressive, fearless and more prone to clashes with people ...