Paternal care
Parental investment provided by a male to his own offspring / From Wikipedia, the free encyclopedia
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In biology, paternal care is parental investment provided by a male to his own offspring. It is a complex social behaviour in vertebrates associated with animal mating systems, life history traits, and ecology.[1] Paternal care may be provided in concert with the mother (biparental care) or, more rarely, by the male alone (so called exclusive paternal care).
The provision of care, by either males or females, is presumed to increase growth rates, quality, and/or survival of young, and hence ultimately increase the inclusive fitness of parents.[2][3][4] In a variety of vertebrate species (e.g., about 80% of birds[5] and about 6% of mammals),[6] both males and females invest heavily in their offspring. Many of these biparental species are socially monogamous, so individuals remain with their mate for at least one breeding season.
Exclusive paternal care has evolved multiple times in a variety of organisms, including invertebrates, fishes, and amphibians.[7][8][9]