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The act of eating one's own offspring, or filial cannibalism, may be an adaptive behaviour for a parent to use as an extra source of food. Parents may eat part of a brood to enhance the parental care of the current brood. Alternatively, parents may eat the whole brood to cut their losses and improve their future reproductive success. [79]
[1] [15] Many cichlid species, such as Cichla ocellaris, will also remove underdeveloped eggs from the clutch, a behavior performed by both parents. [15] Many female cichlids also fan their eggs with their fins, especially in slower moving water, in order to increase oxygenation and get rid of build up of undesired materials around the eggs. [15]
Human paternal care is a derived characteristic (evolved in humans or our recent ancestors) and one of the defining characteristics of Homo sapiens. [19] Different aspects of human paternal care (direct, indirect, fostering social or moral development) may have evolved at different points in our history, and together they form a unique suite of ...
Some animals starve to death shortly after birthing their young while others are eaten by their own young -- but these mothers make the ultimate sacrifice. Click through for 10 animal mothers that ...
Kavanau (1987) was the first to find that unique bi-parental care seen in modern birds probably evolved from extinct birds. They developed the ability to provide protection, escorting, nurturing and egg guarding abilities for their young. Evolution of homeothermy and flight most likely occurred in bi-parental birds with precocial chicks.
Altricial young are born helpless and require care for a length of time. Altricial birds include hawks, herons, woodpeckers, owls, cuckoos and most passerines. Among mammals, marsupials and most rodents are altricial. Domestic cats, dogs, and primates, such as humans, are some of the best-known altricial organisms. [14]
Children living without either parent (foster children) are 10 times more likely to be abused than children who live with both biological parents. [ citation needed ] Children who live with a single parent that has a live-in partner are at the highest risk: they are 20 times more likely to be victims of child abuse than children living with ...
"The problem with floaties is that it gives parents a literal false sense of security," Gaines, a member of the the P o o l & Hot Tub Alliance (PHTA), a nonprofit organization that promotes ...