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3 votes

Are there mammalian species in which the male makes no contribution after coitus?

Narrowly speaking, the answer to your question is "yes, most of them". West and Capellini (2016) analyze a data set comprising 529 mammalian species, of which only 65 have any form of male ...
Ben Bolker's user avatar
  • 5,364
2 votes

Are there any eusocial swarms which act prosocially?

Argentine ants. Global "mega-colony": The absence of aggression within Argentine ant colonies was first reported in 1913 by Newell & Barber,...
Willk's user avatar
  • 2,964
1 vote

Did mammals evolve from something with eusociality?

No. The only truly eusocial mammals are Heterocephalus glaber (the naked mole-rat) and Fukomys damarensis (the damaraland blesmol). Eusociality doesn't just involve an individual sacrificing their ...
user2352714's user avatar

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