Shorter telomeres reveal stress in migratory birds
Tuesday, August 2, 2016 - 23:01
in Biology & Nature
The stress of birds' continent-spanning annual migrations, it appears, leads to faster aging and a potentially earlier death. A new study in The Auk: Ornithological Advances reveals that telomeres, structures on the ends of chromosomes that shorten with age, are shorter in migratory birds than in their non-migratory counterparts.