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New discovery: birds also know "shy" when they are drunk

Research by scientists at Oregon Medical University has shown that birds’ voices are altered after drinking alcohol.

Phát hiện mới: Loài chim cũng biết "lè nhè" khi say 1To come to this conclusion, the experts mixed a little juice with 6% alcohol and poured into two jars – placed in the sparrow cage early in the morning.
Researcher Christopher Olson said: “At first we thought these sparrows would drink because they were afraid to find something strange. But we were wrong, these sparrows are completely wrong. eager and happy to enjoy these bottles “.
After tasting the wine, the birds are taken outside to test blood alcohol levels. With an alcohol level measured from 0.05 to 0.08%, the birdsong began to change. No longer a loud voice, the sound of the sparrow began to subside.
Sparrows have long been used by scientists to study human vocal learning or how people can communicate with each other in language.
“Obviously, alcohol is what makes sparrows change their voices. In the future, we want to learn more about how this stimulant affects behavior,” Olson said. birds “.
NPR

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