<figure><img src="https://npr.brightspotcdn.com/dims4/default/f36d23d/2147483647/strip/false/crop/4032x3024+0+0/resize/704x528!/quality/90/?url=http%3A%2F%2Fnpr-brightspot.s3.amazonaws.com%2F17%2F5e%2Faf224a34449f84f961b23d9edd17%2Fbaltz-trail-of-tears.jpg" alt="Mike Baltz"><figcaption>(Provided by Mike Baltz / Mike Baltz)</figcaption></figure>Ornithologist and ecologist Mike Baltz is back with his regular monthly essay on the natural history of southern Illinois with the December edition of Nature Notebook.

(Provided by Mike Baltz / Mike Baltz)Ornithologist and ecologist Mike Baltz is back with his regular monthly essay on the natural history of southern Illinois with the December edition of Nature Notebook.

(Provided by Mike Baltz / Mike Baltz)Ornithologist and ecologist Mike Baltz is back with his regular monthly essay on the natural history of southern Illinois with the December edition of Nature Notebook.

Commentary: Mike Baltz Nature Notebook - December

WSIU takes a closer look at issues around the region. From arts and entertainment, to science and nature, the environment, politics, and other topics people are talking about.

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Commentary: Mike Baltz Nature Notebook - December

Commentary: Mike Baltz Nature Notebook - December