A symbiotic relationship is a long-term interaction between animal species that is beneficial for one or both animals. There are different forms: It’s mutualism we’ll mostly look at today. Two types ...

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

Scientists have sought to better understand the evolutionary history of bacteria residing within lice. In this study, they see that bacterial evolution is driven by associations with lice, and louse ...

We examined the relationships of helminth prevalence and intensity to bobwhite quail social-group size with 85 immature bobwhite quail. Although bobwhite coveys may not be cohesive in some parts of ...

Researchers from the Chinese Academy of Sciences discovered two new species of parasitic fungi preserved in amber dating back approximately 99 million years. The fossilized entomopathogenic fungi ...

Head lice, fleas and tapeworms have been humanity’s companions throughout our evolutionary history. Yet, the greatest parasite of the modern age is no blood-sucking invertebrate. It is sleek, ...

Jules Stewart reviews Geographical's book of the month, Our Bodies, Our Planet, by Marcus Hall – available to buy now ...

Parasites are ecologically ubiquitous and, by modifying the physiology and behavior of their host organisms, act as key regulators of the dynamics and stability of ecosystems. It is, however, as yet ...

The Latin roots of the word “symbiosis” mean living together. In the broadest sense, symbiosis refers to any close association of two (or more) different kinds of entities. A familiar example of ...