You've seen the signs — the family of geese crossing the road, a nest tucked into your hanging plants, more sidewalk, um, decorations than normal. Yes, the birds are back in full force and have one thing on their minds: making more birds. Breeding season is a perfect time to catch the sights and sounds. Look around. Maybe you'll see some of these species, caught on camera by local birding expert Jim Williams. Want more? Read Williams' blog at startribune.com/wingnut.