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| | IFWIS - Bewick's wren |
 | | House wren and other bird competition may also be a limiting factor *02,03,08,10,23*. |
 | | Competition from the house wren is expressed as a limiting factor in Illinois (Bowles, et al., 1981) and by others *01,02,05,07,08,10,23*. |
 | | Simpson (1978) feels the invasion of the starling and the house sparrow, who use similar habitat of suburban and farm settings as the Bewick's wren, along with the subsequent influx of the house wren due to southward range expansion all could have contributed to the Bewick's wren's decline *23*. |
| www.inhs.uiuc.edu /chf/pub/ifwis/birds/bewicks-wren.html (1802 words) |
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