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  2. Animal sexual behaviour - Wikipedia

    en.wikipedia.org/wiki/Animal_sexual_behaviour

    Many animal species have specific mating (or breeding) periods e.g. (seasonal breeding) so that offspring are born or hatch at an optimal time. In marine species with limited mobility and external fertilisation like corals , sea urchins and clams , the timing of the common spawning is the only externally visible form of sexual behaviour.

  3. Amplexus - Wikipedia

    en.wikipedia.org/wiki/Amplexus

    The rough-skinned newt is a specific widespread example of a newt in the western USA that can be observed in quiet stream pools and shallow ponds engaging in amplexus. [13] During amplexus in newts, males will typically show the behaviour of tail fanning and chin rubbing which is thought to prompt the mating receptivity of the female newt. [14]

  4. Copulation (zoology) - Wikipedia

    en.wikipedia.org/wiki/Copulation_(zoology)

    In zoology, copulation is animal sexual behavior in which a male introduces sperm into the female's body, especially directly into her reproductive tract. [ 1 ] [ 2 ] This is an aspect of mating . Many aquatic animals use external fertilization , whereas internal fertilization may have developed from a need to maintain gametes in a liquid ...

  5. Why do dogs get stuck when mating? Vet reveals ... - AOL

    www.aol.com/why-dogs-stuck-mating-vet-110007798.html

    In basic terms, dogs get stuck together after mating when the male's swollen penis becomes gripped by the contracting muscles in the female's vagina. The good news is, this is nothing to worry about.

  6. Rut (mammalian reproduction) - Wikipedia

    en.wikipedia.org/wiki/Rut_(mammalian_reproduction)

    Male impalas fighting during the rut or breeding season. The rut (from the Latin rugire, meaning "to roar") is the mating season of certain mammals, which includes ruminants such as deer, sheep, camels, goats, pronghorns, bison, giraffes and antelopes, and extends to others such as skunks and elephants.

  7. Mating - Wikipedia

    en.wikipedia.org/wiki/Mating

    (Ischnura elegans) mating. In biology, mating is the pairing of either opposite-sex or hermaphroditic organisms for the purposes of sexual reproduction. Fertilization is the fusion of two gametes. [1] Copulation is the union of the sex organs of two sexually reproducing animals for insemination and subsequent internal fertilization. [2]

  8. Penile spines - Wikipedia

    en.wikipedia.org/wiki/Penile_spines

    Many mammalian species have developed keratinized penile spines along the glans and/or shaft, which may be involved in sexual selection.These spines have been described as being simple, single-pointed structures or complex with two or three points per spine (strepsirrhines). [1]

  9. Sexual coercion among animals - Wikipedia

    en.wikipedia.org/wiki/Sexual_coercion_among_animals

    Sexual coercion among animals is the use of violence, threats, harassment, and other tactics to help them forcefully copulate. [1] Such behavior has been compared to sexual assault , including rape , among humans.