Wild Things: Wildcats, Pigeons and More...- page 2 | Science | Smithsonian
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(Cheryl Carlin)

Wild Things: Wildcats, Pigeons and More...

Sea monster mamas, bat signals and opossum versus viper

Live Fast, Age Fast

houbara
(Cheryl Carlin)
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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