amasse i amassing there will be a significant drop in and you'll seen see some stars and plan either. >> reporter: and you're holding on to the glasses tight. even with this cloud coverage, how important are these? >> it's very important during partial eclipse, as long as you can see some part of the sun, you must use protective glasses, but once we reach totality, you can safely see it with the naked eye. >> reporter: what about animals behavior? there's definitely a lot of strangely during those appreciate fee moments. birds going to roost, birds starting to chirp. each seen whales and dolphins breech, as if they're looking for the totality.