With so many of the animals living past their species’ mortality rates in the wild, the zoo’s workers must regularly confront a heart-wrenching question: if and when to euthanize a terminally ill ...

Staff at the zoo, which is home to some 14,000 animals, will take several days to weigh and measure every mammal, bird, reptile, fish and invertebrate in its care.

Spread across 64 acres and home to more than 1,400 animals from 230 different species and 48,000 plant species, the Indianapolis Zoo is a favorite among families visiting Indy. The zoo is ...