Get Native, Backyard Birders!

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Published on February 17th, 2009  |  Discuss This Article  

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The February 2009 issue of Conservation Biology has a research paper on the impacts of native plants on birds and butterflies in the suburbs of southeastern Pennsylvania.

To my knowledge, this is the first scientific study to compare “standard” landscaping (lawns, ornamental trees and shrubs) with “native” landscaping (using grasses and other groundcovers, shrubs and trees that naturally occur in the area).

Since one of my interests is in the use of native plants for yard landscaping and in how to make yards more attractive for birds, this paper immediately caught my eye!

The research team from the University of Delaware found very significant differences between otherwise similar properties that differed in their landscaping.  Properties with native landscaping had significantly more species of birds and more individual birds that those with standard landscaping.

Similarly, there were more species of conservation concern (including Wood Thrush, Scarlet Tanager, and Eastern Towhee), and they were more abundant in properties with native landscaping.  The authors suspect that what’s going on is that the more diverse native landscapes attract more numbers and kinds of insects, which in turn serve as food for the birds.

This conclusion is supported by the finding that there were significantly more kinds and numbers of insect-eating birds at properties with native landscapes than standard landscapes, while the kinds and numbers of birds that eat everything (omnivores) was the same between the two kinds of sites.

While we clearly need to have this kind of work replicated in more geographic areas, this suggests great benefits to landscaping with native plants, at least in the eastern United States. So all of us with yards can contribute to the work of bird conservation (and enjoy some really cool plants at the same time!).

There is quite a lot of information available on how to improve your yard for birds and other wildlife. A good place to start is the Certified Wildlife Habitat program of the National Wildlife Federation.  And it’s never too early to start!

(Image: Scarlet Tanager. Credit: Fairy Whispers under a Creative Commons license.)

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Comments: Get Native, Backyard Birders!

  •  Comment from RJ

    There is no doubt in my opinion of the resurrection power of natives. I converted a 4 acre plot formerly inhabited by pigs, which created bare earth. Life now adorns: I’ve seen 6 Eastern Towhees, 2 wood thrushes, still awaiting the the scarlet tanagers, but I’ve had the return of many species not seen here in at least 30 years.

  •  Comment from Dave

    How does one keep the cats out of the yard once the birds have been attracted?

  •  Comment from a man that likes hot tubs

    This is really interesting because where are the birds that become attracted before the native garden has been landscaped…an actual native area do u think?? or more likely the closest, still backyard, environment they can find of similar structure.

  •  Comment from Liz Gordon

    If you don’t know what is native to your area look up your local chapter of the Native Plant Society. These clubs have great resources and sometimes even have plant sales. Also you can encourage your local bird club to have plant sales or to invite speakers from the native plant society to speak to your club. Find a nursery that specializes in Natives but ask at every nursery to show a demand for natives. If the demand is there the supply will follow!

    Also encourage your cities to plant natives in the parks and right of ways. Together we can make our urban settings bird paradises again!

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