It’s Good to Know: Living Syringes
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Zoo veterinarians have always found it difficult to draw blood from their animals. Large animals often need to be sedated first, and with small animals it is difficult to find a vein. But several zoos in Germany and England think they have found a solution. They are using blood-sucking insects ("kissing bugs") to draw the blood for them. The bugs are placed in a container, which is then pressed against the animal’s body. When the bug bites, it is scooped up into the container, and the vets have their sample.
(Source: Popular Science)
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