Rittenhouse, Jeffrey L. Robart, Ashley R. Watts, Heather E. Supplementary methods from Variation in chronotype is associated with migratory timing in a songbird Detailed description of methods biological rhythms;chronotype;circadian;seasonal timing 2019-08-13
    https://rs.figshare.com/articles/journal_contribution/Supplementary_methods_from_Variation_in_chronotype_is_associated_with_migratory_timing_in_a_songbird/9577991
10.6084/m9.figshare.9577991.v1