Florida butterfly expert Jaret Daniels tells The Miami Herald (http://hrld.us/1gQ4ViU ) that researchers hope the program keeps the butterfly from going extinct.
Schaus swallowtail breeding program continues →
"You could always swat them away. There were hundreds," Daniels says. "I'm sure thousands of people walked by with Miami blues flying around them."
Threatened butterfly vanishes in last Fla. refuge →