Changes in marine iguana (Amblyrhynchus cristatus) heart rates suggest reduced metabolism during El Niño events. - Dubiner, S.; Pérez, J. P. Muñoz; Alarcón‐Ruales, D.; Cohen, E.; Deresienski, D.; Hirschfeld, M.; Levin, E.; Lohmann, K. J.; Meiri, S.; Lewbart, G. (Journal of Zoology, 2025)