 This after the state was able to obtain the needed drugs. A new law in Florida bans the intentional release of balloons. Wildlife experts will tell you balloons are one of the deadliest forms of plastic for some wildlife and it's a top killer of seabirds. Balloons can float and drift for days and once they deflate and fall, sea turtles confuse them for one of their favorite foods, jellyfish. Birds, manatees and whales also eat balloons which can block their digestive tract.