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15 December 2007

OMG! Marmoset! Fascinating paper. I mean abstract, of course I didn't read the whole thing. Cuteness is here if you want to avoid the SCIENCE!
"Humans are the only other primate besides callitrichids [the marmoset subfamily] to have evolved features of cooperative breeding, such as infant care by grandmothers, older siblings, and fathers."
posted by grouse 15 December | 10:33
I'm commenting partly so I can easily find this when I have time to read it later. Interesting; I was under the impression that alloparenting was fairly common in other primates.
posted by Elsa 15 December | 11:30
It's not my field, but I think that they are related, but not quite the same thing, and that alloparenting behavior may be a subset of cooperative breeding behavior.
Each of these species exhibits a social system, sometimes described as cooperative breeding or social monogamy, consisting of a ‘‘pair-bonded’’ male and female and an extended family which may incorporate consecutive litters of offspring. Both the father and prepubertal juvenile offspring of these species tend to exhibit spontaneous care giving toward younger animals, also known as ‘‘alloparenting’’
Source
posted by grouse 15 December | 12:17
Here, we demonstrate that common marmoset monkeys (Callithrix jacchus) do spontaneously provide food to nonreciprocating and genetically unrelated individuals...

Ha! How cool!

...indicating that other-regarding preferences are not unique to humans and that their evolution did not require advanced cognitive abilities such as theory of mind.

Bite it, speciesists!

But doesn't grooming count? Tons of different animals groom each other. Or do the stuffy "Never anthropomorphise!" scientists count that as a trade or a mutually-beneficial type thing?

Anyway, THANKS!, grouse! This will go in my files under "Proof" of what we already know.
posted by shane 15 December | 13:54
Stop anthropomorphizing scientists.

They're talking about food, so I'm guessing grooming doesn't count.
posted by grouse 15 December | 13:56
My Yesterday. || OMG Doctor!

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