See discussions, stats, and author profiles for this publication at: https://www.researchgate.net/publication/5596895 Why Are Incubation Periods Longer in the Tropics? A Common‐Garden Experiment with House Wrens Reveals It Is All in... Article in The American Naturalist · March 2008 DOI: 10.1086/528964 · Source: PubMed CITATIONS 18 READS 50 5 authors, including: John Styrsky Lynchburg College 20 PUBLICATIONS 600 CITATIONS SEE PROFILE All content following this page was uploaded by John Styrsky on 19 February 2014. The user has requested enhancement of the downloaded file. All in-text references underlined in blue are added to the original document and are linked to publications on ResearchGate, letting you access and read them immediately.