Wild Things: Wildcats, Pigeons and More...
Sea monster mamas, bat signals and opossum versus viper
- By T.A. Frail, Joseph Stromberg, Erin Wayman and Sarah Zielinski
- Smithsonian magazine, October 2011
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(Roger Tidman / FLPA)
Live Fast, Age Fast
To impress females, male houbara bustards strut, run, flash feathers and emit subsonic booms 18 hours a day for half a year. In young males, the more elaborate the display, the better the sperm. But extravagance has a cost. Scientists in Morocco found that after six years, the most flamboyant males produce a greater proportion of abnormal sperm than do their duller counterparts.
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