If you are prone to looking up as you walk (or pedal or drive) among trees, you may have noticed a bumper crop of cones clinging to the highest branches of white pine trees this summer and fall.
Around my yard, the red squirrels have been busy gathering cones, chattering away as they scamper through the branches. But I’ve also heard another sound this autumn – beyond the scolding squirrels and familiar chickadee calls – a gregarious twittering from high in the trees. [Read more…] about Nomadic Finches: Pine Siskins Irrupting
