Bronx Zoo the wild. In December 2012, five Chinese yellow-headed box turtles, a critically endangered species, were born. In December 2015, the zoo rescued a juvenile Indian cobra which had stowed away on a cargo ship destined for New Jersey. The snake was found in poor condition being dehydrated, cold, and exposed to oil residue. The animal was brought to the zoo for recovery. It's unclear how the snake got onto the ship since it set out from Singapore, which is outside of the species' natural range. On July 29, 1985, two female Amur tigers killed 24-year-old animal keeper Robin Silverman after
Philadelphia Zoo (two ruffed lemurs, six ring-tailed lemurs, and two mongoose lemurs). All were members of endangered species. The animals died in their sleep from smoke inhalation (carbon monoxide poisoning); none were burned. Ten primates housed in an adjoining building, the Discovery House, survived. At the time of the fire, detection equipment existed in only 20 percent of the zoo buildings; the primates building, which had been constructed in 1985, was not one of them. In the ten months following the fire, the zoo installed fire detection equipment in all animal buildings. On July 1, 1999, the zoo opened a new primate