Mating systemA mating system is a way in which a group is structured in relation to sexual behaviour. The precise meaning depends upon the context. With respect to animals, the term describes which males and females mate under which circumstances.
PolygynandryPolygynandry is a mating system in which both males and females have multiple mating partners during a breeding season. In sexually reproducing diploid animals, different mating strategies are employed by males and females, because the cost of gamete production is lower for males than it is for females. The different mating tactics employed by males and females are thought to be the outcome of stochasticreproductive conflicts both ecologically and socially.
Common pheasantThe common pheasant (Phasianus colchicus), ring-necked pheasant, or blue-headed pheasant, is a bird in the pheasantfamily (Phasianidae). The genus name comes from Latinphasianus 'pheasant'. The species name colchicus is Latin for 'of Colchis' (modern day Georgia), a country on the Black Sea where pheasants became known to Europeans.
Lek matingA lek is an aggregation of male animals gathered to engage in competitive displays and courtship rituals, known as lekking, to entice visiting females which are surveying prospective partners with which to mate. It can also refer to a space used by displaying males to defend their own share of territory for the breeding season.
Hamadryas baboonThe hamadryas baboon (Papio hamadryas; Tigrinya: ጋውና, romanized: gawina; Arabic: رُبَّاح, romanized: rubbāḥ) is a species of baboon within the Old World monkey family. It is the northernmost of all the baboons, being native to the Horn of Africa and the southwestern region of the Arabian Peninsula. These regions provide habitats with the advantage for this species of fewer natural predators than central or southern Africa where other baboons reside.
PromiscuitySexual behavior Promiscuity is the practice of engaging in sexual activity frequently with different partners or being indiscriminate in the choice of sexual partners. The term can carry a moral judgment. A common example of behavior viewed as promiscuous by many cultures is the one-night stand, and its frequency is used by researchers as a marker for promiscuity. What sexual behavior is considered promiscuous varies between cultures, as does the prevalence of promiscuity.
Elephant sealElephant seals or sea elephants are very large, oceangoing true seals in the genusMirounga. Both species, the northern elephant seal (M. angustirostris) and the southern elephant seal (M. leonina), were hunted to the brink of extinction for lamp oil by the end of the 19th century, but their numbers have since recovered. They are the largest seal species. Males can weigh up to 4,000 kilograms (8,800 lb).
Northern house wrenThe northern house wren (Troglodytes aedon) is a very small passerine in the wren familyTroglodytidae. It is found in southern Canada, the USA and Mexico. It occurs in most suburban areas in its range. It formerly included many subspecies resident in South America and in the Caribbean that are now considered as separate species.
Ancient GreekAncient Greek (Ἑλληνική, Hellēnikḗ [hellɛːnikɛ̌ː]) includes the forms of the Greek language used in ancient Greece and the ancient world from around 1500 BC to 300 BC. It is often roughly divided into the following periods: Mycenaean Greek (c. 1400 – c. 1200 BC), Dark Ages (c. 1200 – c. 800 BC), the Archaic or Homeric period (c. 800 – c. 500 BC), and the Classical period (c. 500 – c. 300 BC).
Red-winged priniaThe red-winged prinia or the red-winged warbler (Prinia erythroptera) is a birdspecies in the familyCisticolidae. It formerly belonged in the monotypicgenusHeliolais.
GorillaGorillas are large, primarily herbivorous, great apes that live in the tropical forests of equatorial Africa. The genusGorilla is divided into two species: the eastern gorilla and the western gorilla, and either four or five subspecies. The DNA of gorillas is highly similar to that of humans, from 96 to 99% depending on what is included, and they are the next closest living relatives to humans after the bonobos and chimpanzees.
Spotted hyenaThis article contains Ethiopic text. Without proper , you may see question marks, boxes, or other symbols instead of Ethiopic characters.
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