Why the World Needs Bloodsucking Creatures, Science

Leech - Wikipedia

Why are there blood sucking animals on earth? - Quora

Bloodsucking flies help scientists identify rare, hard-to-find mammals

Studies in Language Testing Volume 27, PDF

Microbial Associates of Blood-Sucking Arthropods and Other Animals: Relevance to Their Physiology, Ecology and Evolution

Mosquitoes, Other Blood-Sucking Flies Have Been Spreading Malaria for Up to 100 Million Years

Science news in brief: From blood-sucking finches to 900-year-old grapes, The Independent

Blood-Sucking Leeches Can Help Scientists Map Biodiversity

Bloodsucking-fish fossils overturn once-popular theory about our evolution

The closer the better: Sensory tools and host-association in blood-sucking insects - ScienceDirect

8 of Nature's Thirstiest Bloodsuckers