The situation sounds pretty dire, but there's plenty we can do to help birds survive – and thrive.
Help reduce habitat loss and degradation
Habitat loss and degradation are the biggest drivers of the decline in birds. With continuous human population growth and our increased demand on the environment, "It's no surprise ... that there [is] less quality habitat for birds, and [that] some habitats disappearing altogether," Chu says.
There are easy steps you can take to do your part to reduce habitat loss for birds:
Grow native plants. Growing native plants will help create habitat for birds. The Audubon Society has a tool where you can discover bird-friendly native plants for your area.
Reduce your use of pesticides. Pesticides can hurt birds in a number of ways, from poisoning them, thinning their egg shells and more. Sara Hallager, who curates birds at the Smithsonian's National Zoo, got her husband to stop using grubacide in her backyard when she realized the robins were "eating all these poisoned grubs in the yard!"
Try asking an expert at your local garden nursery or home improvement store for less toxic options for lawn maintenance and pest control.
Advocate for bird-friendly environmental policies. Chu says another way you can help address habitat loss, with no cost to you, is by advocating for policies that provide funding for environmental protections. She also recommends electing people who prioritize environmental issues.