Veterinarians say Puzzles' health was failing due to her age and they wanted to prevent pain.
Puzzles had been at the Philadelphia zoo since 1984, where she gave birth to seven calves.
She was also one of the oldest giraffes in the country.
Veterinarians say Puzzles' health was failing due to her age and they wanted to prevent pain.
Puzzles had been at the Philadelphia zoo since 1984, where she gave birth to seven calves.
She was also one of the oldest giraffes in the country.