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These minute, wingless insects are external parasites that subsist on the blood of mammals and birds. While they primarily target animals such as cats, dogs, and rodents, they are opportunistic feeders. When their preferred hosts are unavailable or when populations are particularly high, these insects will readily seek out alternative blood meals. This often includes humans, leading to characteristic skin reactions, as seen when an individual discovers itchy red welts on their ankles after spending … Read more