Relationships between avian malaria resilience and corticosterone, testosterone and prolactin in a Hawaiian songbird

Gabrielle Names, Jesse Krause, Elizabeth Schultz, Frédéric Angelier, Charline Parenteau, Cécile Ribout, Thomas Hahn & John Wingfield
Glucocorticoids, androgens, and prolactin regulate metabolism and reproduction, but they also play critical roles in immunomodulation. Since the introduction of avian malaria to Hawaii a century ago, low elevation populations of the Hawaii Amakihi (Chlorodrepanis virens) that have experienced strong selection by avian malaria have evolved increased resilience (the ability to recover from infection), while high elevation populations that have undergone weak selection remain less resilient. We investigated how variation in malaria selection has affected...
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