Titlebook: Soul Mate Biology; Science of attachmen Gregor Majdic Book 2021 The Editor(s) (if applicable) and The Author(s), under exclusive license to

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,After-Dark Secrets of Nemo’s Parents,animals who usually only mate once in their lifetime. For male octopuses, mating presents a danger as females are often cannibalistic and attack and devour their partners. Male octopuses, therefore, developed some interesting mating patterns to avoid the grisly fate. Some octopuses with long tentacl

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Octopuses: Lonely Cannibals, eagles, Atlantic puffins, Adelaide penguins, and some others are genuinely monogamous with partners mating together for life. However, even in such species, monogamy is mostly social, while they are not impervious to an occasional extramarital affair. As birds are socially monogamous, they are also

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Graceful Swan: A Symbol of Love,s, parental behavior is most prominent in mammals and birds. In most birds, both fathers and mothers take good care of the brood. In contrast, in the majority of mammals, only mothers take care of the offspring. Maternal behavior is in most species acquired during pregnancy through hormonal regulati

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Gosling Following Their Mothers,rosses and black swans form single-sex couples when the sex ratio in populations is skewed. However, these single-sex couples are just as good or sometimes even better parents than heterosexual couples. Homosexual behavior is also common in some primates such as Japanese macaques and our closest rel

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Kinky Giraffes,k-diks, gibbons, and some rodents such as prairie voles and California mice. It is unclear why monogamous behavior has developed in some species, although several hypotheses try to explain it. One is the need for biparental care in species with altricial young. Another is that monogamy is a variatio

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