These tasty fish are more likely to get eaten when stressed

As human populations continue to rise, especially along coastlines, the occurrence of various stressors tend to increase. This study explored the ability of a commercially important species, the European seabass, to recover following short term exposure to these stressors by evaluating their predator avoidance behavior. In short, acidic waters led to greater risk-taking behavior in these fish, which can have serious implications for their survival in a changing world.

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Amazonian birds eavesdrop on antshrikes (Thamnomanes ardesiacus) to avoid predation

Neotropical birds can form flocks consisting of multiple species, but the birds that aren’t antshrikes benefit from the presence of these alarm-callers without returning the favor. How would they fare if the antshrikes weren’t around? An experimental study was conducted by Martinez et al. (2018) to determine just how much of an impact antshrikes have on the livelihood of other birds.

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