The okczoo is using specialized transmitters to track the journey of 20 Oklahoma-born monarchs! The transmitters weigh just 10% of the butterfly’s weight and were attached carefully to the monarchs’ backs. One butterfly, "Verbena," flew more than 200 miles north to Emporia, Kansas in six days and sent a signal every time her tag connected with Bluetooth. . . . #monarch #butterfly #zoo #oklahoma #wildlife