- Far off could be heard the warbling song of the red crossbill.
- The forest is, of course, most famous for its ospreys but Peter says the Scottish crossbill, wonderfully adapted for life in the pine forest, is also a local treasure.
- In turn, the crossbills in the squirrel-less areas have evolved deeper bills, thereby partly countering the cones' defenses.
- Chickadees, crossbills, goldfinches, nuthatches, siskins, and woodpeckers pick the winged seeds out of pine and spruce cones.
- Only slightly larger than a sparrow, crossbills live exclusively in conifer forests where they feed on the seeds.