The continued coexistence of ecologically similar species relies on niche separation in space or time. Four similar species of introduced rodent occur in New Zealand, but the mechanism(s) allowing ...

Reciprocity can generate stable levels of cooperation among unrelated social partners. If individuals interact repeatedly, costs of altruistic acts can be compensated through an exchange of donor and ...

-Infected rats can cause symptoms in humans such as fever, fatigue, loss of appetite, jaundice, and dark urine, with pregnant women being in higher risk -4.4% of urban Norway rats in Seoul and Jeju ...

Only becoming popular as pets over the last century, rats have actually lived with humans for thousands of years. The two rat species that have long, intimate histories with humankind are the brown ...

My whole city has rats. Lots of them. We had a big spike in their population this summer due to the extra-fine weather You can save this article by registering for free here. Or sign-in if you have an ...