Yellowstone's diverse population of feathered creatures have captured the interest of scientist David Haines who is attempting to understand ecological and environmental changes in the park.
The male makes up for his plain appearance with a strident staccato song, surprisingly loud for the size of the bird. Nesting in northern forests, the Tennessee Warbler goes through population cycles: ...
In Kent, Connecticut, the Northwest Connecticut Land Conservancy protects open spaces, including Cobble Brook Vista. The conservancy is Connecticut's largest land trust.