These bats are well-known blood feeders. They use their razor-sharp teeth to make small incisions in the skin of animals and lap up the blood that flows out. Contrary to popular belief, they usually don't kill their prey.
Leeches are segmented worms that feed on blood by attaching themselves to their hosts and sucking blood. They secrete substances that prevent blood clotting, allowing them to feed for an extended period.
Female mosquitoes require blood for egg development and obtain it by piercing the skin of animals, including humans, with their proboscis and feeding on the blood that flows out.
Ticks are blood-feeding parasites that attach themselves to various hosts, including mammals, birds, and sometimes reptiles. They use specialized mouthparts to suck blood and can transmit diseases to their hosts.
These small insects feed exclusively on blood. They typically bite humans while they sleep, injecting saliva that acts as an anesthetic, making their bites painless while they feed on blood.
Fleas are external parasites that feed on the blood of mammals and birds. They use specialized mouthparts to pierce the skin and consume blood from their hosts.
Female horseflies feed on the blood of mammals, including horses, cattle, and humans. They have scissor-like mouthparts that cut the skin and allow them to feed on the blood that pools at the site.
These jawless fish attach themselves to other fish using their suction cup-like mouth filled with sharp teeth. They feed on the blood and bodily fluids of their hosts.