...Chloe Peneaux; Gabriel E. Machovsky-Capuska; John A. Endler; Andrea S. Griffin ABSTRACT Producing colored signals often requires consuming dietary carotenoid pigments. Evidence that food deprivation can reduce coloration, however, raises the question of whether other dietary nutrients contribute...

... americanus ,which have one each. It is interesting to consider how mixing a small number of coloration patterns is effective for camouflage, and why the demands of this task may lead to differences between species. To investigate the relationship between the visual background and coloration we first looked...

...GLENN E. WALSBERG; CATHERINE A. SCHMIDT Physical theory predicts that animals with fur or feather coats can adjust solar heat gain independently of surface coloration or environmental factors by altering coat structure or hair optical properties. This hypothesis is tested by examining seasonal...