Bill size correlates with telomere length in male American RedstartsDOI: info:10.1007/s10336-015-1158-9v. 156No. 2Springer525–531
Angelier, Frédéric, Vleck, Carol M., Holberton, Rebecca L., and Marra, Peter P. 2015. "Bill size correlates with telomere length in male American Redstarts." Journal of Ornithology, 156, (2) 525–531. https://doi.org/10.1007/s10336-015-1158-9.