cooperative breeding

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cooperative breeding

any breeding system in which the true parents of a group of offspring are assisted in their rearing by other, unrelated, adults.
References in periodicals archive ?
Some people have concluded that environmental variability promotes cooperative breeding and other people have concluded that cooperative breeders tend to occur primarily in environments that are more stable," Carlos Botero, a biologist at Washington University in St.
4% (220 of 9,000) of avian species have been characterized as cooperative breeders (Stacey and Koenig, 1990; but see Emlen and Vehrencamp, 1983).
According to the recent cooperative breeding hypothesis, humans evolved as cooperative breeders, which increased sensitivity and motivation to attend to and show concern of others emotional states.
More work could help us understand the key problem of why these wolves are cooperative breeders, along with about 3 percent of mammals and 3 percent of birds," said Sparkman.
The result paints two different pictures of evolution: Among pair-breeders, sexual selection on males makes the sexes look increasingly different; in cooperative breeders, competition among females leads to them evolving the same showy traits as males.

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