Credit: CLOUDS HILL IMAGING LTD/SCIENCE PHOTO LIBRARY

Caption: Tick crawling on animal fur. Ticks (superfamily: Ixodoidea) are small arachnids. They are ectoparasites, feeding on the blood of mammals (including humans), birds, and occasionally reptiles and amphibians. Ticks transmit several diseases, including Lyme disease, Colorado tick fever, and relapsing fever.

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Keywords: 1 tick, acari, animal, arachnid, arthropod, biological, biology, clip, crawling, ectoparasite, fauna, film, footage, fur, host, invertebrate, ixodoidea, mammal, motion, nature, no-one, nobody, one, parasite, parasitic, single, tick, video, walking, wildlife, zoological, zoology

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