The ultimate opportunist. A fly that turns garbage into maggots. With their compound eyes providing a nearly 360-degree field of vision and their liquid-only diet, house flies are built for rapid scavenging. While they are often viewed with annoyance, they are a marvel of biological recycling. They are capable of detecting decaying matter from kilometres away, arriving within minutes to begin the process of breaking it down. A fly that is a garbage truck. Their feet are tipped with sticky pads called pulvilli that allow them to walk upside down on glass, and they are constantly grooming to keep these sensors clean. The life cycle is rapid. Females lay batches of white, elongated eggs on decaying organic matter. The larvae, called maggots, hatch within a day and begin feeding immediately. Maggots are legless, pale and tapered, with mouth hooks that scrape at the surface of their food. They grow rapidly, moulting several times, and pupate within a week. The adult emerges, mates and begins the cycle again. A single pair of flies can produce millions of offspring in a single summer. House flies are not just pests. They are decomposers, recycling nutrients from waste back into the soil. Without them, rotting material would accumulate much faster, and the spread of disease would be different. They are also a primary food source for many birds, spiders and predatory insects. They represent persistence and scavenging. The kitchen is warm. The house fly buzzes against the window, compound eyes watching, sticky feet walking upside down. It finds a rotting apple. It lays eggs. The maggots hatch. The apple disappears. The fly does not know it is a recycler. It does not know it is a nuisance. It just wants to eat garbage. A survivor that has followed humans across every continent. The house fly is proof.