Distinguished by its unusual morphology and a reproductive system based on something called "sexual parasitism," the anglerfish represents a study in how life adapts to severe environmental ...

One of the most interesting topics discussed in my Ornithology class was about the “con artists” found in nature… Brood parasitism occurs when a female bird (the parasite) lays her eggs in the nest of ...

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 ...

The vampire bat might be nature’s purest super-villain. But it’s not the only flyer known to subsist off of the blood of its prey. Here are four birds that also practice "hematophagy." Hematophagy is ...

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, ...