Yeah, the birds are pretty good at that. When the sky starts to look gray, the geese and swallows drop to lower altitudes, almost like they’re feeling the pressure shift. If the flocks tighten up or start zig‑zagging instead of a steady V‑shape, that’s usually a warning sign. The wind will often start gusting off the wrong direction, too. Just keep an eye on the air and the birds—nature doesn’t forget her pattern.

Just make sure you’re catching the moment when the pressure starts to fall a little before the birds shift. Those changes are usually a half‑hour ahead. Also note the wind chill—if it drops even a few degrees, the birds will start to lower their wings. Don’t forget to log the time of day; birds are more likely to hold their course early in the morning and then shift later when the heat builds. And if you spot a sudden spike in tail feathers fluffing up, that’s a good extra cue. Keep the log tight and the data clean, and you’ll get a sharper forecast.