Do unicolonial wood ants favor kin?
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Journal of Biology 2009, 8:56 doi:10.1186/jbiol154Published: 18 June 2009
Vast supercolonies of interconnected nests formed by unicolonial ant species are the largest cooperative groups of animals known. Research published recently in BMC Evolutionary Biology reveals that a supercolony can be more genetically structured than previously thought, comprising several extended families. Surprisingly, the families coexist peacefully, even though they seem to recognize each other as non-kin.