Fleas are tiny, wingless insects that have adapted remarkably to their environments, thriving as external parasites on mammals and birds. They belong to the order Siphonaptera, which encompasses a vast variety of species, some of which have become notorious for their ability to infest homes and affect the health of pets and humans alike. Understanding what fleas look like is crucial not only for pest control but also for maintaining the health and comfort of our furry companions. These minuscule creatures have a sleek, flattened body that allows them to navigate through the fur of their hosts with ease. Their size typically ranges from 1 to 4 millimeters, making them…