Inuit words for snow, American Tree Sparrows or Canadian Ground Sparrows? and Charles Darwin and the quest of the unifying principle of the life sciences.

Echolocation genetics in bats and dolphins, genetically-engineered trees, bird song. Discussion of courtship and reproductive strategies.

Winter rosettes, polar high pressure oscillations, and White-breasted Nuthatches. We finally get to the long-promised discussion of niches!

Flock of Bluebirds, Host of Sparrows, Dray of Squirrels—collective nouns in James Lipton’s book, An Exultation of Larks or The Venereal Game. Special guests: The Canal Fulton Players reading from Sir Arthur Conon Doyle’s historical novel Sir Nigel.

Catkins, Short-Tailed Shrew, and Beaver and How Keystone Species Modify Their Environment

Hawks! Cooper's, Sharp-shinned, Red-tail, Rough-legged and others, with an interview with Dr. Keith Bildstein, Director of Conservation Science at Hawk Mountain.

The astronomical basis for the calendar, “The Vole Truth,” water boatmen and stories in the snow.

What Causes the Wind, Black-Capped Chickadee, Nibiru and 2012 myths, and the Scientific Method

Mistletoe, the blue moon, domestic/feral/wild definitions. Interview with Wayne Clark about feral hogs in Texas.

Winter weeds, nighttime visitors at your birdfeeder, a study of human influence on sparrow evolution. Discussion of bird feeding.