This week we look at the fourth natural division , the Grand Prairie Division. This area encompasses much of Illinois, from as far north as ...

By Susan Post Illinois has 98 species of dragonflies, all of which are descendants of a prehistoric group at least 250 million years ...

by Susan Post Walks along sunny paths in late spring woodlands are likely to yield a harvest of jewels. No, these cannot be co...

by Michael Jeffords As I drive south for more than 3 hours to give a talk at Southern Illinois University for an unknown audience, assumin...

Spring Ephemerals

by Susan Post Now that spring has arrived, butterflies are starting to appear in numbers, newly-emerged from hidden chrysali...

This week, we look at the third natural division , the Northeastern Morainal Division. This area was the last area of Illinois covered by g...