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Parrots are intelligent animals, there is no doubt about that
Researchers at the Max Planck Institute for Animal Behaviour have demonstrated that parrots' longevity may be due to their larger brain size
"The problem is how to obtain high-quality data," said Simeon Smeele, a doctoral student at the Max Planck Institute for Animal Behavior
To have a sufficient sample size, the researchers partnered with Species360, which collects animal records from zoos and aquariums
The analysis revealed striking differences in parrot lifespans
"It's extremely rare for a bird of this size to live an average of 30 years," Smeele said
Next, the team employed a large-scale comparative analysis to determine whether the parrots' superior cognitive abilities had any effect on their longevity
For each species, they collected data on relative brain volume, average body weight and developmental variables
"This supports the idea that the bigger the brain, the more flexible the species, the longer they live
To the scientists' surprise, factors such as diet or the longer time it took for the brain to develop did not lead to a longer average lifespan
In the future, the team plans to explore whether social and cultural learning in parrots also contributes to longevity
"What makes us special about humans is that we have a lot of social learning skills
Original text retrieval
Simeon Q.
