Every new day in May brings out plants and critters that re-emerge after their winter absence. Warmer temperatures and longer days allow plants to re-emerge from soil and leaves and flowers to burst forth from trees. These provide food for insects, which are food for frogs, birds and mammals and so on.  Here are some things to look for outside in May.

Ever since the North Avenue Dam was removed in 1996, the Milwaukee River Corridor from Estabrook to downtown has gone through a remarkable transformation. Where once only a few species of fish could live in the highly polluted waters, this stretch is now teeming with life.