What is the smallest animal?

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Mycoplasma genitalium is a small parasitic bacterium which lives on the ciliated epithelial cells of the primate genital and respiratory tracts. M. genitalium is the smallest known free-living bacterium, and the second-smallest bacterium after the recently-discovered endosymbiont Carsonella ruddii. Until the discovery of Nanoarchaeum in 2002, M. genitalium was also considered to be the organism with the smallest genome (aside from viruses). See link above.

Well it depends on what kind of animal you are talking about. If you are talking about bacterium the smallest animal might be Mycoplasma genitalium. If you are talking about birds it might be the bee humming bird. If you are talking about insects it might be the mysquetoe. It all depends. You might want to be specific in your question.

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First answer by ID3732923880. Last edit by Predator Huntress. Contributor trust: 12 [recommend contributor]. Question popularity: 70 [recommend question]

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