NYTIMES (Remy Tumin) - Lions, Tigers and Bomb-Sniffing Dogs: Zoos Face Scores of Swatting Calls
About 40 zoos and aquariums across the United States have responded to bombing and shooting threats in recent months that turned out to be hoaxes.
HUFFPOST - Swatting Incidents Prompt Evacuations, Closures At Several U.S. Zoos
The hoax calls involved alleged bomb threats and even claims of active shooters.