What is a lek grouse?
A lek is an aggregation of males that gather to engage in competitive displays that may entice visiting females who are surveying prospective partners for copulation (Fiske, P., Rintamaki, P. T. & Karvonen, E. ... The Greater Sage-Grouse display is among the most complex of bird mating rituals.Jan 6, 2014
What is an example of lek?
An example of a lek is how people pay for food in Albania. An example of a lek is an outdoor area where some chickens attract their mates. A location where male animals of the same species gather and often present displays and where females go to select a male to mate with. A group of males gathered at such a place.
The “hidden lek” hypothesis suggests that territorial aggregations might be explained by males establishing territories near successful males (“hotshot” model) or by females preferring to mate in large clusters (“female preference” model).
What is a lek breeder?
A lek breeding system is employed by some polygynous species and is characterised by aggregations of males that females visit primarily for breeding purposes. This results in strong sexual selection pressures on the lek, as males compete for females and females 'choose' between males.
Where can I find sage grouse lek?
Gunnison Sage-grouse predictably use the Waunita Lek, located 19 miles east of Gunnison just north of Hwy 50. Turn north on County Road 887 (Waunita Hot Springs Road) and go 0.6 miles to a small pull-off on the right where you can view the birds.Feb 28, 2014
What sort of behavior is seen in a lek?
lek, in animal behaviour, communal area in which two or more males of a species perform courtship displays. Lek behaviour, also called arena behaviour, is found in a number of insects, birds, and mammals. Varying degrees of interaction occur between the males, from virtually none to closely cooperative dancing.
Are leks monogamous?
Sexual selection in lekking species has been the object of much attention during the last decades. ... It is possible that in some species, male aggregations function like typical leks: individuals form a monogamous pair bond while displaying in a lek close to the nesting site (Höglund and Alatalo 1995).
What does lek mean in Arabic?
"lek" is a harsh way of addressing someone/something. " Shu" means what. And "habibi" is a nice way of addressing someone, usually romantic. Its used sarcastically in the phrase Lek shu habibi.Jul 19, 2016
Why low quality males still participate in leks?
As females rarely mate outside of leks, it is advantageous for males to form leks. Although not all males within a lek mate with a female, the unmated males still receive fitness benefits. Kin selection explains that related males congregate to form leks, as a way to attract females and increase inclusive fitness.
What is the meaning of lek in English?
Definition of lek
(Entry 1 of 3) : an assembly area where animals (such as the prairie chicken) carry on display and courtship behavior also : an aggregation of animals assembled on a lek for courtship. lek. noun (2)
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Is lekking polygamous?
Lek polygyny is a mating system common in polygynous species of insects and birds in which the male provides no parental care to its offspring. ... Males of lekking species do not hunt for receptive females. Males form aggregates in neutral locations devoid any resources valuable to females.
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How might the lek paradox be explained?
The lek paradox is the conundrum of how additive or beneficial genetic variation is maintained in lek mating species, in the face of consistent female preferences, sexual selection. ... Stronger selection should lead to impaired survival, as it decreases genetic variance and ensures that more offspring have similar traits.
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What is an example of intersexual selection?
Intersexual selection occurs as a result of interactions between males and females of a species. One sex, typically males, will develop and display traits or behavior patterns to attract the opposite sex. Examples of such traits include plumage on birds, the mating calls of frogs, and courtship displays in fish.
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What is female Defence polygyny?
Resource defense polygyny occurs when males control females indirectly by defending territories or resources against conspecific males, whereas female defense polygyny occurs when males control females directly by defending them against conspecifics males.Aug 8, 2008
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What is lek behavior in birds?
- Lek, in animal behaviour, communal area in which two or more males of a species perform courtship displays. Lek behaviour, also called arena behaviour, is found in a number of insects, birds, and mammals. Varying degrees of interaction occur between the males, from virtually none to closely cooperative dancing.
Related
What is the meaning of Lek?
- Lek, in animal behaviour, communal area in which two or more males of a species perform courtship displays. Lek behaviour, also called arena behaviour, is found in a number of insects, birds, and mammals.
Related
What is ‘lekking’?
- Lekking can involve noise, movement, or both. If you’re a nocturnal Kakapo or a sage-grouse hitting the leks before dawn, noises take precedence because they echo across the dark countryside. “It’s pretty clear that long-range visual signaling is not really a thing that’s going on under those conditions,” Gibson says.
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What is the success rate of lek mating?
- The variation in mating success is quite large in lek mating systems with 70–80% of matings being attributed to only 10–20% of the males present. The main benefit for both sexes is mating success. For males, the costs stem from females' preferences.
