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Monogamy is a rare bird in the animate being kingdom , but some creatures do last out close forever and a day .
It seems most of thesecouples stay togetherfor the kids .
Emperor penguins with their chicks.
Sometimes young take a lot more maintenance than can be provided bythe mother alone , said Marlene Zuk , an evolutionary biologist at the University of California at Riverside . Like humankind , some animals need investment from both parents . The issue are going to be helpless for a long prison term and it ’s advantageous to coordinate care .
Only 3 to 5 percent of the 5,000 species of mammal adherence for life story , include otters , beavers and wildcat . When only primate mintage are considered , the rate is slightly high 6 percent of the 300 primate species in the world , including Hylobates lar , are take monogamists .
What about human ? Zuk said we ’re serial monogamists .
Emperor penguins with their chicks.
Certainly compared to lots of other animate being we ’re pretty monogamous .
Here are a few other noteworthy monogamists :
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