Cyber tiger

Cyber, Henry Vilas Zoo's 18-year old amur tiger, died Wednesday

Cyber, Vilas Zoo's 18-year old Amur tiger, died Wednesday.

Cyber was under vet supervision for about a year due to his deteriorating health, said Ronda Schwetz, the zoo's executive director. Because of his increasing discomfort, he was euthanized.

Amur tigers can live up to 20 years in captivity, but the average life expectancy is 14 to 16 years, the zoo said. Schwetz said that 18 is a "really good age" for a tiger.

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Cyber had been at the Vilas Zoo since 2009, Schwetz said.

The zoo has another tiger -- an 8-year-old female, Cali -- and is working with the Amur Tiger Species Survival Program to find a companion for her.

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