Oregon has 45 species of birds that nest in holes (cavities) in
rotting or dead trees (snags). But, though they are very valuable for
wildlife, many snags in urban areas are cut down
and removed for aesthetic reasons or because they
are considered a hazard. If you have some dead...
Bats play an important role in controlling insect populations. In North America, bats are the primary predators of night-flying insects. Some species of bats can capture several hundred insects an hour, including insect species that can devastate valuable plants or crops.