> They can manage to get relatively safe vantage points and just watch. It's that, and more. When I walk under the trees outside, the corvids at the top make a

> They can manage to get relatively safe vantage points and just watch. It's that, and more. When I walk under the trees outside, the corvids at the top make a specific noise. I'm pretty sure they're telling each other "Look out, mammal on the loose down below!"