Wednesday, December 5, 2012

Female lemurs can detect dad's cries | Essentials

Female lemurs can detect dad's cries

Excerpt:

Tiny nocturnal lemurs recognize their dad's cries amid the other sounds of the nighttime Madagascar forests, a new study finds. The research is the first to show that solitary animals may avoid inbreeding by keeping an ear out for familiar voices. Previous studies have found that animals living in complex social groups have no trouble recognizing their own kin's calls, particularly the sounds of maternal relatives. Even goat mamas keep a long-term memory for their baby's calls, according to a study published earlier this year. But less is known about how animals recognize their father's calls, and the cries of the relatives on dad's side of the family. Likewise, researchers know very little about how solitary-living animals avoid inbreeding with dad's side of the family. That's where the gray mouse lemur (Microcebus murinus) comes in. These cartoonishly cute lemurs are raised by their mothers without help from dad.

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