These huge sharks ' irregular behavior comes on the heels of the catch of a rare goblin shark in Florida in May and the closing of an Alabama beach because of a `` swarm '' of sharks this month . Researchers follow the progress of a pair of 2,300-pound great whites . The researchers are using satellite tracking to track their movements and determine where they go. A researcher says the sharks ' tracks are surprising for this time of year .
Researchers follow the progress of a pair of 2,300-pound great whites . The researchers are using satellite tracking to track their movements and determine where they go. A researcher says the sharks ' tracks are surprising for this time of year .