Similar species commonly use limiting resources in different ways. Such resource partitioning helps to explain how seemingly similar species can coexist in the same ecological community without one ...

Halfway down the east slope of the Andes in Ecuador, sightings of the luminous yellow beaks of the chestnut-mandibled toucan are abruptly replaced by the colorful beaks of the white-throated toucan.

In this investigation, we will examine the effects of competition for resources on reproductive output within and between two species of parasitoid wasps. Ecological communities are composed of ...