Migrating Birds Are Passing Through—Keep Your Flock Safe from Bird Flu

As spring migration ramps up across Washington, it’s not just a seasonal wildlife moment—it’s a key risk window for small farms. Each year from March through May, large numbers of migratory birds move through the region, often carrying avian influenza without showing symptoms. Waterfowl in particular act as natural carriers, and as they stop at ponds, wetlands, and even backyard water features, they can leave the virus behind. Recent reports also note that outbreaks tend to rise during migration periods, with backyard flocks especially vulnerable as wild bird activity increases.

For farmers raising poultry in the PNW, this seasonal shift means tightening up daily routines right now—not later. Chickens and ducks are the most directly at risk, but the bigger picture matters too. If your birds share space with goats, pigs, sheep, alpacas, or donkeys, contaminated soil, feed, or water can turn your whole property into a transmission point. Farms with open ponds, uncovered feed, or free-ranging birds are especially exposed during migration season. Even a small backyard flock can be affected if wild birds pass through overhead or stop nearby.

Over the next weeks, assume migrating birds have already passed through your area. Cover runs, remove standing water that attracts waterfowl, and keep feed fully contained. If your birds free-range, consider a temporary lockdown during peak migration. Then double-check your county’s zoning rules to make sure you’re set up to safely confine your flock if needed—before a problem shows up.