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  2. Human–canine bond - Wikipedia

    en.wikipedia.org/wiki/Human–canine_bond

    The human–canine bond is rooted in the domestication of the dog, which began occurring through their long-term association with hunter-gatherers more than 30,000–40,000 years ago. The earliest known relationship between dogs and humans is attested by the 1914 discovery of the Bonn–Oberkassel dog, who was buried alongside two humans in ...

  3. Canine reproduction - Wikipedia

    en.wikipedia.org/wiki/Canine_reproduction

    Females reach sexual maturity (puberty) between 8 and 18 months of age. There is a tremendous variability in the maturation age between breeds, and even within a breed of dog. [ 5 ] 1. Proestrus, in which eggs in the ovaries begin to mature and estrogen levels begin to rise, is the first stage of the reproductive cycle.

  4. Human mating strategies - Wikipedia

    en.wikipedia.org/wiki/Human_mating_strategies

    In evolutionary psychology and behavioral ecology, human mating strategies are a set of behaviors used by individuals to select, attract, and retain mates.Mating strategies overlap with reproductive strategies, which encompass a broader set of behaviors involving the timing of reproduction and the trade-off between quantity and quality of offspring.

  5. Non-reproductive sexual behavior in animals - Wikipedia

    en.wikipedia.org/wiki/Non-reproductive_sexual...

    Animal non-reproductive sexual behavior encompasses sexual activities that non-human animals participate in which do not lead to the reproduction of the species. Although procreation continues to be the primary explanation for sexual behavior in animals, recent observations on animal behavior have given alternative reasons for the engagement in sexual activities by animals. [1]

  6. Dog breeding - Wikipedia

    en.wikipedia.org/wiki/Dog_breeding

    Dog breeding is the practice of mating selected dogs with the intention of maintaining or producing specific qualities and characteristics. When dogs reproduce without such human intervention, their offspring's characteristics are determined by natural selection , while "dog breeding" refers specifically to the artificial selection of dogs, in ...

  7. Human–animal marriage - Wikipedia

    en.wikipedia.org/wiki/Human–animal_marriage

    Human–animal marriage is a marriage between a human and a non-human animal. This topic has appeared in mythology and magical fiction. [1] In the 21st century, there have been numerous reports from around the world of humans marrying their pets and other animals. Human–animal marriage is often seen in accordance with zoophilia, although they ...

  8. Dog behavior - Wikipedia

    en.wikipedia.org/wiki/Dog_behavior

    X-axis is aggression, y-axis is fear. Dog behavior is the internally coordinated responses of individuals or groups of domestic dogs to internal and external stimuli. [1] It has been shaped by millennia of contact with humans and their lifestyles. As a result of this physical and social evolution, dogs have acquired the ability to understand ...

  9. Mate choice - Wikipedia

    en.wikipedia.org/wiki/Mate_choice

    Mate choice is a major component of sexual selection, another being intrasexual selection. Ideas on sexual selection were first introduced in 1871, by Charles Darwin, then expanded on by Ronald Fisher in 1915. At present, there are five sub mechanisms that explain how mate choice has evolved over time.