Interestingly, carnivorous fish like tuna, salmon, and swordfish don’t fall under this “humans don’t eat carnivores” rule.

Conservationists can be quite conservative. It is right there in the name, after all. They like things the way they used to be, in a better past, real or imagined. Their thinking can be slow to change ...

The effect of large herbivores on plant abundance and diversity depends more on their size and diet than whether they are native or introduced into their host ecosystems, according to a meta-analysis ...