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In the past century, since America’s premier bird-protection law—the Migratory Bird Treaty Act (MBTA)—was passed by Congress, the threats to birds have changed drastically. Back then, hunters and poachers freely pursued birds of any species, during all seasons. They drove several species extinct and others to the brink; the resulting outcry led to the formation of the first ̽����ѡ societies and, ultimately, to the passage of the MBTA in 1918. The law makes it a crime to “pursue, hunt, take, capture, kill,” or “sell” a migratory bird or any of its parts, including nests, eggs, and feathers.

Today, thanks to the MBTA, the poaching��of��migratory birds��has largely ceased in the U.S.��But as those threats subsided, a new set emerged: Now birds must navigate a landscape riddled with industrial traps. To a hawk, a power pole is an ideal perch—but, unbeknownst to the majestic predator, electricity runs through it. From above, a small lake looks like a perfect resting spot for a tired goose—but, in fact, it contains toxic industrial waste and oils that wreck feathers, causing illness or death.����

These problems are often not difficult to solve, and over the decades the MBTA's protections and occasional fines have��incentivized industries to work with the government and conservation groups to find simple solutions.��Recently, though, the Trump administration has vouched for a new legal interpretation of the MBTA that would no longer hold companies accountable for��bird deaths as a result of��their equipment and work—allowing millions of birds to be killed annually with no consequence. It's one part of a larger effort currently underway to weaken protections for birds.��

To show how backward this effort is, here are five industrial traps for birds across the country—and the easy solutions that have been developed because of the MBTA.

Open Waste Pits

The problem: Companies in the business of extracting oil, gas, and minerals from the earth often wind up with toxic or otherwise corrosive waste. Many store their mixtures of oil, water, salts, and other chemicals��in on-site ponds��or transport them to large, commercial evaporation ponds for disposal. To a bird, these shallow ponds look like wetlands and lakes safe for resting after a long flight. It’s not until birds land that they learn that coat their feathers, disrupting their heat insulation and flight, and sometimes drowning them.

It’s not only waterfowl that are killed. Songbirds are attracted to insects trapped in oil on the water’s surface; their struggling then attracts predators like hawks and owls. Many birds die and sink to the bottom, obscuring how many birds are killed this way. The U.S. Fish and Wildlife Services estimates that 500,000 to 1 million birds are killed annually in oil pits and evaporation ponds—but admits this is likely an underestimate.

The fix: . A net both breaks up the glare of an oil sheen on the water’s surface, which attracts birds, and hampers attempts to land. Any visible oils should be removed from ponds as soon as possible. The ideal solution, however, is to treat and dispose of waste in a closed system that doesn’t require open water in the first place.

Hanging a net over a toxic pond isn’t difficult or expensive. What's more, it’s just humane: Why wouldn’t you want to keep birds and other animals from dying in��toxic pits if you can?��

Open Pipes

The problem: More than 3 million mining claims use open pipes, often made of PVC, as boundary markers. When left uncapped, these look��like inviting spaces for cavity-nesting birds��like bluebirds, woodpeckers, flycatchers, and��kestrels, or safe resting and foraging spots for migratory birds. But once a bird flies inside a narrow pipe, it cannot spread its wings; unable to fly away, of stress, starvation, or dehydration. is a potential hazard.

Sometimes dozens of dead birds have been found stacked inside these pipes. In 2008, staff inspected a 20-foot-tall ventilation pipe, part of an abandoned irrigation system some 50 years old. Inside, they “discovered a seven-foot-long black mass composed��entirely of decomposed carcasses of hundreds of dead birds and animals including��kestrels, flickers, bluebirds and fence lizards.” Replicate this millions of times across the country to get an idea��of the scale of these slow, senseless deaths.

The fix:��Plug the open ends of the pipes or vents so birds and other animals can’t crawl inside, or replace them with solid markers. And remove any pipes not in use.

It’s a simple fix, simple enough that individual volunteers and ̽����ѡ chapters to plug or remove open pipes.

More recently, the Bureau of Land Management itself has organized such events because plugging open pipes is part of government policy. After 116 conservation groups, including 33 ̽����ѡ chapters,�� about the issue in 2015, the agencies urging all mining claimants to replace open-pipe markers. With the new interpretation of the MBTA, any legal incentive to do so is gone.��

Speak up! If you're��in favor of��enforcing easy solutions to help save birds,

Power Line Collisions

The problem: Birds, especially large birds like hawks, eagles, and owls, are often distracted in flight—by mates, hunting, or territorial battle, for instance—and sometimes collide with powerlines strung up in their path. The crash, or the resulting fall, can kill or weaken them.

This is a problem over a century-old. The first known report of birds colliding with power lines was published in 1876; more than 100 birds, mostly Horned Larks, were killed on a three-mile-long section of telegraph line.��It’s estimated that power-line collisions kill more birds each year than cars or wind turbines, numbering��in the hundreds of thousands to millions of animals.

The fix: String balls or other markers on power lines to make them .

You’ve likely seen these over the highway because it’s already common practice for utilities to install them. They’ve been doing it for decades. In 1989, utilities partnered with the government and the ̽����ѡ to form the to address Whooping Crane collisions with power lines. Together, they’ve developed to make power lines safer for all birds that are implemented across the country. This is the type of��successful��work and collaboration the��MBTA spurs.��

Power Line Electrocutions

The problem: Power lines and poles make ideal perches from which birds can survey the landscape. Larger birds, like eagles and other raptors, are large enough that their outstretched wings can bridge the gap between two electrified parts. When that happens, their bodies complete the circuit; , and they are electrocuted.

Electrocutions are more common��during rain and snow because feathers become conductive. Golden Eagles are affected��most, perhaps because they like to sit atop poles to dry out their wings in the sun.��A survey of 4,090 poles in Montana found Golden Eagle electrocutions at 4.4 percent of poles—and 20 of them had electrocuted more than one eagle.

The fix: Space electrified parts (such as conducting wires) wider than an eagle’s wingspan.��Where that's not possible, cover any electrified parts to prevent contact with perching birds.

It’s not hard for utilities to follow developed by the Avian Power Line Interaction Committee to build power poles and space electrified lines to . Again, a clear��example of the easy solutions the��MBTA can inspire.��

Communication Towers

The problem: These tall structures use lights to make their presence known to aircraft at night. These same lights attract and confuse birds, which use starlight to navigate, especially when it’s foggy or hazy. Birds will aggregate around and circle towers for hours on end, dying apparently from exhaustion or from colliding with the tower or its support wires. Circling towers can also burn off birds' fat reserves, increasing their chances of death during long migrations. An estimated are killed by communication towers��each year.

The fix: Swap steady-burning red lights, a longtime custom among communication towers, for��flashing red or white lights on tall towers. Eliminate lights altogether on towers that don't pose a risk to aircraft.��

Changing lightbulbs is a simple fix that��makes a world of difference to birds. It also saves money for tower operators by reducing electricity costs. In fact,��it’s such a��clear, good fix��that, in 2016, the Federal Aviation Administration to all tower operators to change their lightbulbs to reduce bird deaths. Several months later, the U.S. Fish and Wildlife Service issued��its own reflecting those from the FAA.

While those running towers have the choice to comply, the MBTA compels them to do so.��But with a��weakened��MBTA, there’s no incentive for tower owners to change their bulbs—unless they care about birds themselves. And research has shown that, in the absence of such laws or their enforcement, companies are unlikely to do what’s right all on their own. ��

Hannah��Waters is a senior associate editor at��̽����ѡ, covering climate change, conservation, and science news. She’s passionate about chickadees and seabirds. Find her on Twitter: