Book excerpt: Wild Birding Colorado The Big Year of 2010 provides the thrilling account of Cole Wilds amazing feat of establishing the record for most Colorado bird species seen in one year, a Colorado BIG YEAR. The text is a treasure trove of birding tips for where and when to find some of the states most elusive species, such as Boreal Owl and Black Swift. One chapter recounts the discovery near Denver of a Ross's Gull, which attracted thousands of birders from around the country. Photos of some of the rarer finds and the complete checklist are included (color photoschecklists by month MARK OBMASCIK, Author of The Big Year: A Tale of Man, Nature, and Fowl Obsession