Some birds forget their mating songs – here’s why – BGR

Bird songs are awful. You may not give them much thought, but bird songs are known to calm people down, no matter the situation. Bird songs can reduce stress and improve your confidence, and in addition, they perform for free, which is a good benefit. Unfortunately, some bird species are starting to lose their talent, and this is entirely due to declining populations.

As new research published in the journal Proceedings of the Royal Society B. explains, some male songbirds of endangered species lose their singing ability as well as their relationship. In sparsely populated areas, male songbirds will have difficulty building on the songs used by the species to attract mates. Just as in human populations, the culture of these birds is lost because it will not be passed on to new generations over time.

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Mar AP reports, the authors of the study spent half a decade documenting the singing skills of a songbird called the regent honeyeater. The birds are critically endangered, meaning that they are very close to extinction in the countryside, and with such low numbers of birds, the males are not getting a taste for the songs sung by previous generations.

Singing birds are born with the ability to sing, but singing is a learning experience. The males seem to be learning from other males, older ones learned from their grandparents, and so on. The songs are largely passed down from one generation to the next, and these songs are often used to attract companions. When there are not enough birds of the species around, the songs are lost for a time and before the older birds die, the younger birds may not have learned enough of the songs. songs to attract women.

“If endangered birds cannot learn how to sing properly, it greatly affects their ability to communicate,” Dr Ross Crates, lead author of the study, said in a statement. “It could also reduce the honey population decline, because we know that songbirds increase the amount of reproduction in songbirds. Women will avoid the men who sing strange songs. ”

Unfortunately, in an already endangered species, this loss of bird song lyrics may slow down their decline and eventually become more extinct. Crates and his fellow researchers noticed that not only do some men sing their own songs poorly, but some also sing songs of other genres altogether, severely limiting their ability. generation. The researchers say that 12% of the birds they saw failed to sing songs of their own species, and 27% sang songs that were very different from the similar songs. that they were successful in attracting females to breed.

It is not clear what could be done in such a situation. Short of putting speakers to pump out the right bird songs for the young males – a move that may upset women who are looking for birds that aren’t even there – this could be an unsolvable problem, and there is time to run out.

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