Bloodsuckers is a term that is commonly used to describe creatures that thrive on the blood of animals and humans. However, there are various synonyms that can be used in place of this term, depending on the context and the specific species being referred to. Some of these synonyms include leeches, ticks, mosquitoes, fleas, bedbugs, and vampire bats. Each of these creatures has a different method of feeding on blood, and they can have different effects on their hosts. Regardless of the term used, bloodsuckers are generally considered to be pests that can cause harm and spread diseases.