Study finds city life is tough on young birds

Scientists from Lund University found in a recent study that city life can be difficult for young birds, but if they survive their first year, they are less susceptible to stress.

"It seems that the various stress factors in the city do not affect the survival of adult individuals in the same way as they affect that of young birds," Pablo Salmón, a research student in biology at Lund University, said in a press release. The study identified telomeres, the extremity of the chromosome, as the mechanism that predicts the difference in birds' survival between rural and urban environments.

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