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The article discusses the number of houseflies required to lift a girl weighing 110 pounds. It states the practical problems that would arise when lifting a girl of 110 pounds including the huge number of flies and area covered by each fly on her body. It mentions the calculations and figures to lift a human of 110 pounds by the aerial animals such as monarch butterflies, house sparrow and eagles.

The article offers information on bird species and animal species and their adaptation to changing environment including English sparrow, the wood frog, and black capped chickadee.

Too many cooks don't spoil the broth, apparently, at least among house sparrows. Andras Liker and Veronika Bokony of the University of Pannonia in Hungary have found that larger groups of sparrows were more successful at problem solving than smaller ones. The reason, they suggest, is that larger groups contain individuals with different skills and experiences that may increase the chances of success. [ABSTRACT FROM PUBLISHER]