In Tanzania, we watched on many occasions when small flocks of red-billed birds descended upon the backs of giraffes, cape ...

When we think of different species interacting in nature, we might tend to think of predators and prey. But there are many other connections in our ecosystems that go beyond that. As organisms evolve ...

This is a preview. Log in through your library . Abstract Commensalism is the association of two organisms, one of which derives benefit while the other is unaffected. These relationships are common ...