> However, he admits the plan is not without its difficulties: "There are other problems, of course. Winston is vulnerable to the weather and predators such as

> However, he admits the plan is not without its difficulties: "There are other problems, of course. Winston is vulnerable to the weather and predators such as hawks. Obviously he will have to take his chances but we're confident this system can work for us,' says Rolfe. They might need to retransmit once or twice a month too . . .