Investopedia contributors come from a range of backgrounds, and over 25 years there have been thousands of expert writers and editors who have contributed. David Kindness is a Certified Public ...

In Tanzania, we watched on many occasions when small flocks of red-billed birds descended upon the backs of giraffes, cape buffalo, elephants and hippopotamuses, prancing around like they owned them.

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 ...