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Article: Sunrise nest attendance and aggression by Least Bell's Vireos fail to deter cowbird parasitism.
- Article from:
- Wilson Bulletin
- Article date:
- March 1, 2004
- Author:
CopyrightCOPYRIGHT 2004 Wilson Ornithological Society. This material is published under license from the publisher through the Gale Group, Farmington Hills, Michigan. All inquiries regarding rights should be directed to the Gale Group. (Hide copyright information)
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There are several ways in which potential hosts may protect a nest from the detrimental impacts of brood parasitism. Two strategies may prevent a cowbird from laying: nest sitting (rushing to the nest and sitting in it; Hobson and Sealy 1989, Gill and Sealy 1996) and aggression directed at the intruding cowbird (Robertson and Norman 1977, Briskie et al. 1990). The effectiveness of such behaviors in deterring parasitism is unclear. The findings of Sealy et al. (1998) suggest that these behaviors do not thwart parasitism. However, J. M. Budnik (pers. comm.) video-recorded a Brown-headed Cowbird (Molothrus ater) laying an egg on the back of a midwestern Bell's Vireo (Vireo ...
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Article: SEALY JOINS ONE-SIDED CONTEST WITH ITS NEW NO-FLIP MODELS.
HFN The Weekly Newspaper for the Home Furnishing Network;
April 7, 2003 ;
700+ words
... ... market here are getting their first look at Sealy Inc.'s first complete line of one-sided mattresses. With this introduction, Sealy joins the ranks of other bedding exhibitors ... and successful -- no-flip models. For Sealy's retailers, it's a case of better ...
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