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Alarm calls have been studied in many species, such as Belding's ground squirrels. Characteristic 'ticking' alarm call of a European robin, Erithacus rubecula. In animal communication, an alarm signal is an antipredator adaptation in the form of signals emitted by social animals in response to danger.
Aposematic signals are beneficial for both predator and prey, since both avoid potential harm. The term was coined in 1877 by Edward Bagnall Poulton [3] [4] for Alfred Russel Wallace's concept of warning coloration. [5] Aposematism is exploited in Müllerian mimicry, where species with strong defences evolve to resemble one another. By ...
Many animals communicate through vocalization. Vocal communication serves many purposes, including mating rituals, warning calls, conveying location of food sources, and social learning. In a number of species, males perform calls during mating rituals as a form of competition against other males and to signal to females.
Derived from the name of the television series Hawaii Five-O, this term is used in the US. Non-derogatory, e.g.: "If you notice loose plastic cap over the card slot of ATM just call Five-O". It is sometimes shouted out as a warning by lookouts or others engaged in illegal activity when a police officer is spotted. [25] Fízl
Mobbing calls are signals made by the mobbing species while harassing a predator. These differ from alarm calls, which allow con-specifics to escape from the predator. The great tit, a European songbird, uses such a signal to call on nearby birds to harass a perched bird of prey, such as an owl.
There's no shortage of emergencies that people would be better off knowing about as soon as possible. Think of parents wondering if their kids' school will be closed for a snowstorm, or homeowners ...
In March, a mother was horrified to find a pedophile symbol on a toy she bought for her daughter. Although the symbol was not intentionally placed on the toy by the company who manufactured the ...
The lexicographers at Collins Dictionary monitor their 18-billion-word database and a range of media sources, including social media, to create the annual list of new and notable words that ...