In the Northwest and along the Pacific Coast, you’ll find chestnut ... From fall through early spring, the birds form small roaming flocks with titmice, nuthatches, warblers, brown creepers ...

The coniferous forest of the Pacific Northwest is the summer home of Townsend's Warbler ... Most Townsend's go to Mexico or Central America for the winter, but small numbers remain along the coast ...

With names like “knobby rams-horn,” “masked duskysnail” and “Hoko vertigo,” Pacific Northwest mollusks may have an amusing ... prey for a wide variety of animals, from mammals to birds to snakes to ...

Small numbers are also seen in winter in the northeast and elsewhere. In parts of the Pacific Northwest, examination of any winter flock of wigeon is likely to reveal a male Eurasian among them, ...