what are they looking up at?
Are you refering to this pic?
If you are, then they were looking at these....

They weren't geese....I think they were pelicans??? Boy, ducks sure seem to keep an eye out on the skys!!! I'll be watching them, then they will start looking up like that and there will be the tiniest dot of a buzzard WAY up there or something like that...sometimes so high you can hardly see it, but they seem to see it like it is only 10 feet over their head.
another one of them looking at the maybe pelicans...