Lawn and Garden Questions Answered by
Allen Goodfellow
A.A.S.







Bring on the Bluebirds
 
Bluebirds are surely on the Top 10 list of the most beautiful birds in the world. Wouldn’t it be nice to see them in your backyard? Here’s what you can do now to attract bluebirds next spring.

North America has three species of bluebird: eastern, western, and mountain. The latter two live in the West, and their ranges overlap. The males have beautiful sky blue feathers on their heads, backs, and wings. Easterns and westerns have rust-colored breasts (easterns also have rusty necks and westerns have rusty shoulders), and mountain bluebirds are all blue. The females of all three species have the same colors but are not as vivid.

Bluebird populations steadily declined from the 1920s to the 1970s, as woods, grasslands, and old farms were replaced by suburban sprawl and industrial agriculture. Such development decimated the plants that provide bluebirds with food and nesting spots, and allowed exotic birds such as European starlings and English house sparrows to invade bluebird habitat and outcompete the native birds for the remaining nesting areas.

Fortunately, a movement to save bluebirds got underway in the 1960s. Gardeners and bird lovers began planting native species that bluebirds rely upon for food, and created and monitored special bluebird nest boxes. Since then, bluebird populations have recovered. Here’s how to make sure bluebirds continue to thrive—possibly in your backyard:

Learn how to feed a bluebird.
Bluebirds won’t visit a feeder filled with seeds. They eat fruits and insects. That makes them harder to attract than other birds. You can buy feeders designed specifically to hold mealworms or waxworms, which will attract bluebirds and other insect-eating species. Or you can grow your own bluebird restaurant.

Bluebirds favor open fields bordered by brushy vegetation. You can make your yard more attractive to them by creating a border of shrubs and small trees at the edges of your lawn.

If those plants provide berries, so much the better. Choose native plants, because they support more insects than exotic plants do. (Insects are particularly important when bluebirds have babies to feed.) Using native plants also minimizes the risk that bluebirds will spread seeds of exotic plants from your yard into wild areas, where they can become troublesome invasives.

Build a nest box. The real key to helping bluebirds is to install nest boxes that mimic the cavities in which bluebirds naturally nest. Design is critical in keeping out exotic birds and predators. The nest box should have drainage and ventilation holes and an overhanging roof to keep out rain, wind, and direct sunlight. The box should have an entrance hole 1½ inches in diameter. It should be mounted on a pole with a predator guard, and should not have a perch (snakes and raccoons quickly learn that nest boxes mean an easy meal, and perches give them access to the box).

Nothing is more rewarding than watching bluebirds gobble berries and feed insects to their babies right outside your window, and knowing that you are offering much-needed help to a troubled species.
 
Happy Gardening!




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abgoodfellow@frontiernet.net





10-12-2014