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List of animal names. Mother sea otter with sleeping pup, Morro Bay, California. In the English language, many animals have different names depending on whether they are male, female, young, domesticated, or in groups. The best-known source of many English words used for collective groupings of animals is The Book of Saint Albans, an essay on ...
Homosexual behavior in animals. Two male mallards ( Anas platyrhynchos) Various non-human animal species exhibit behavior that can be interpreted as homosexual or bisexual, often referred to as same-sex sexual behavior (SSSB) by scientists. This may include same-sex sexual activity, courtship, affection, pair bonding, and parenting among same ...
Homosexual behaviour is demonstrated by 120 known species of birds. [41] While an uptick in research on bird homosexuality – and animal homosexuality in general – has been coming out in recent years, it's common for some authors to labour in articulating the view any root cause or function of bird homosexuality is poorly understood.
List of mammals displaying homosexual behavior. Giraffes in Kenya; giraffes have been called "especially gay " for engaging in male-male sexual behavior more often than male-female ( heterosexual) sex. [ 1][ 2] This is a list of mammals for which there is documented evidence of homosexual behavior. These animals have been observed practicing ...
Some chromosomal sex determination systems in animals. A sex-determination system is a biological system that determines the development of sexual characteristics in an organism. [ 1] Most organisms that create their offspring using sexual reproduction have two common sexes and a few less common intersex variations.
Hermaphrodite. A hermaphrodite ( / hərˈmæfrəˌdaɪt /) is a sexually reproducing organism that produces both male and female gametes. [ 1] Animal species in which individuals are either male or female are gonochoric, which is the opposite of hermaphroditic. [ 2] The individuals of many taxonomic groups of animals, primarily invertebrates ...
Hermaphrodite. v. t. e. Sexual dimorphism is the condition where sexes of the same species exhibit different morphological characteristics, including characteristics not directly involved in reproduction. [ 1] The condition occurs in most dioecious species, which consist of most animals and some plants.
The International Code of Zoological Nomenclature ( ICZN) is a widely accepted convention in zoology that rules the formal scientific naming of organisms treated as animals. It is also informally known as the ICZN Code, for its publisher, the International Commission on Zoological Nomenclature (which shares the acronym "ICZN"). The rules ...