Guppies evolve differences in metabolic rate in only a few years in a new environment! Read more about evolution and predator-induced plasticity in Corey’s fantastic paper (as an author I may be biased).
Did you know that browsing (eating), masticating (chewing), and digesting all make a different sound? Collars on mule deer that record sounds 24 hours per day can be used to distinguish among various deer behaviors, like masticating and digesting. Read more in Emma’s recently published paper!