Articles tagged with Mating Success
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A new study reveals how beluga whales in Alaska's Bristol Bay survive through a surprising strategy: they mate with multiple partners over several years. This polygynandrous system helps maintain genetic diversity despite the population's small size and isolation.
A team of scientists analyzed DNA samples from 623 beluga whales in Bristol Bay, Alaska, revealing a polygynous mating system where males secure few matings per year, but females switch partners frequently across breeding seasons. This unique strategy may help maintain genetic diversity and resilience in the small population.
Researchers analyzed over 2,000 hours of underwater recordings to detect subtle shifts in red hind spawning behavior and population dynamics. The study found a notable shift in the balance of mating calls over the 12-year period, with calls linked to competition becoming dominant.
A new study reveals that female treefrogs prefer mates with impressive calls in open environments, but their choices become inconsistent when faced with multiple options. The findings suggest that crowded choruses may hamper the evolution of calls and impact mate selection.
Researchers successfully transferred a gift-giving courtship behavior from Drosophila subobscura to Drosophila melanogaster by manipulating a single gene in insulin-producing neurons. This study represents the first example of transferring behavior between species through genetic manipulation.
Researchers at UNSW Sydney discovered that leopard seal songs share structural similarities with human nursery rhymes, featuring predictable patterns and low entropy. The study found that male seals spend up to 13 hours a day singing in two-minute cycles, with each individual creating a unique sonic signature.
A new study from Toho University reveals that female earwigs exhibit positive allometry in their forceps, suggesting they too may have evolved these traits through sexual selection. The findings suggest that female forceps may have evolved as effective weapons in competition for mates.
A study found that alcohol consumption boosts the production of sex pheromones in male fruit flies, increasing their attractiveness to females and mating success. This effect is mediated by three neural circuits that balance attraction and aversion to avoid intoxication.
A team of scientists has pinpointed a critical neural circuit for female sexual rejection, revealing how the brain integrates signals to shape behavior. The ventromedial hypothalamus, specifically progesterone-sensitive neurons in the anterior VMH, play a crucial role in determining whether a female accepts or rejects mating attempts.
Researchers found that male bonobos were more frequently aggressive than chimpanzees, engaging in 2.8 times more interactions and 3 times as many physical aggressions. More aggressive males had greater mating success, challenging the self-domesticating hypothesis.
Fruit flies use a unique toggle-switch in their brains to switch between solo and mating songs, exchanging information through dialogue. Researchers decoded the tiny brains' behavior using neural imaging and AI, providing insights into complex brain decision-making.
Researchers at North Carolina State University identified a specific blend of pheromone chemicals used by male moths during courtship, including an aphrodisiac called methyl salicylate. Female moths can recognize this chemical through two smell receptors, and its presence in males' hairpencils is linked to mating success.
Researchers have solved the mystery of why orchid bees concoct their own fragrance. The bee fragrance serves as a sex attractant and increases the reproductive success of males. The study found that the females are attracted to the scent and that it triggers mating behavior in them.
A Hebrew University study reveals that desert isopods, when predators like scorpions are nearby, prefer larger females but settle for smaller ones instead. Males also adjust their behavior, with smaller males opting for second-best females closer to the predator.
Researchers discovered that male spiders select sexual organ with more sperm for first copulation with cannibalistic females and transfer significantly more sperm when risk is high. The study supports the male mating syndrome theory, which posits that males evolve strategies to counter female cannibalism.
Researchers at the University of Birmingham found that infected fruit flies continue to engage in courtship and mating behaviors, similar to uninfected flies. The study suggests that animals may invest more in reproduction when faced with a potential life threat, potentially to pass on genes to the next generation
A Dartmouth study using advanced recording technology reveals that females prefer lower frequency songs with low variance, while males time their songs to follow neighbors. The research shows how chorus composition and individual songs impact mating in wood frogs.
Researchers from NCBS developed a protocol to analyze odor samples from dung piles of male blackbuck. They found that males with high mating success have richer odors in meta-cresol. This discovery has implications for understanding chemical communication in this species and potentially informing conservation efforts.
A study found that male ring-tailed lemurs' stink-flirting displays may influence females in choosing a mate and could be an alternative mating strategy, despite being met with aggression and potential physical harm.
A new study from Hokkaido University found that duet-dancing plays a crucial role in mating success among Java Sparrows, even more so than male-singing. Females often give a copulation solicitation display before males start singing.
Research reveals that male beetles demonstrating same-sex sexual behaviour establish a pecking order and display lower aggression levels compared to those who don't participate. Males receiving submissive roles show reduced courtship attempts and mating success.
A study published in Current Biology found that aggressive chimpanzee males sire more offspring, suggesting sexual coercion is an adaptive strategy for males. Genetic evidence showed that high-ranking males who intimidate females when they are not swollen had more reproductive success.
Researchers found that male bonobos with high social status have greater mating success, while mothers' support enhances their sons' chances of impressing females. This study suggests a unique kinship system where mothers play a crucial role in promoting female reproductive success and potentially increasing the number of grandchildren.
Researchers found that male chimpanzees who share their food with females can mate more often than those who don't. Sharing meat over long periods of time doubles a male's mating success, while females increase their caloric intake without incurring energetic costs.
Researchers found that females copulate more frequently with males who share meat with them, compared to those who never share. This suggests that sharing meat with females improves males' mating success and may be a long-term strategy for securing mates.