The research, led by scientists at Oxford University, has also found that smaller immigrant birds – those flying into, and staying, in a better habitat – are likely to have faster personalities than those born in the better habitat.
"Great tits can probably see the woods from several kilometers away and we think the immigrants were born in towns or hedgerows where the habitat quality is not so good,’ Dr. Quinn says. His study showed that immigrant birds flying into Wytham were likely to have fast personality types.
Great tits are generally calm, and readily adapt to captivity, but there were clear differences between fast and slow personalities. "The slow types just sat on the trees and did very little while the hyperactive types moved around constantly.
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