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發表於 2015-4-3 19:21:30
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When it comes to choosing plants with the most long-term benefit to the birds in your backyard, you can’t go wrong with native trees. Trees offer a whole buffet of food options in the form of seeds, fruit, nuts, sap, nectar, leaves, pollen and insects.
If you don’t have many trees in your yard, or if they’re not helping you attract birds you’d like, try these suggestions.
Take stock of what you have. Make note of the trees in your yard. Decide which existing trees provide shelter, breeding sites and food, and then remove any that don’t make the grade—especially if the tree is unhealthy, unsightly or unsuitable for your yard.
Determine which wildlife attributes are still lacking and what types of trees will help fill those needs. The number of trees will vary according to your space, but a good rule of thumb for an average-sized yard is one or two large trees, at least one grouping of smaller trees and shrubs, and one clump of conifers for winter shelter.
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