Sign up for our daily briefing

Make your busy days simpler with Axios AM/PM. Catch up on what's new and why it matters in just 5 minutes.

Please enter a valid email.

Please enter a valid email.

Subscription failed
Thank you for subscribing!

Catch up on the day's biggest business stories

Subscribe to Axios Closer for insights into the day’s business news and trends and why they matter

Please enter a valid email.

Please enter a valid email.

Subscription failed
Thank you for subscribing!

Sign up for Axios Pro Rata

Dive into the world of dealmakers across VC, PE and M&A with Axios Pro Rata. Delivered daily to your inbox by Dan Primack and Kia Kokalitcheva.

Please enter a valid email.

Please enter a valid email.

Subscription failed
Thank you for subscribing!

Sports news worthy of your time

Binge on the stats and stories that drive the sports world with Axios Sports. Sign up for free.

Please enter a valid email.

Please enter a valid email.

Subscription failed
Thank you for subscribing!

Tech news worthy of your time

Get our smart take on technology from the Valley and D.C. with Axios Login. Sign up for free.

Please enter a valid email.

Please enter a valid email.

Subscription failed
Thank you for subscribing!

Get the inside stories

Get an insider's guide to the new White House with Axios Sneak Peek. Sign up for free.

Please enter a valid email.

Please enter a valid email.

Subscription failed
Thank you for subscribing!

Catch up on coronavirus stories and special reports, curated by Mike Allen everyday

Catch up on coronavirus stories and special reports, curated by Mike Allen everyday

Please enter a valid email.

Please enter a valid email.

Subscription failed
Thank you for subscribing!

Want a daily digest of the top Denver news?

Get a daily digest of the most important stories affecting your hometown with Axios Denver

Please enter a valid email.

Please enter a valid email.

Subscription failed
Thank you for subscribing!

Want a daily digest of the top Des Moines news?

Get a daily digest of the most important stories affecting your hometown with Axios Des Moines

Please enter a valid email.

Please enter a valid email.

Subscription failed
Thank you for subscribing!

Want a daily digest of the top Twin Cities news?

Get a daily digest of the most important stories affecting your hometown with Axios Twin Cities

Please enter a valid email.

Please enter a valid email.

Subscription failed
Thank you for subscribing!

Want a daily digest of the top Tampa Bay news?

Get a daily digest of the most important stories affecting your hometown with Axios Tampa Bay

Please enter a valid email.

Please enter a valid email.

Subscription failed
Thank you for subscribing!

Want a daily digest of the top Charlotte news?

Get a daily digest of the most important stories affecting your hometown with Axios Charlotte

Please enter a valid email.

Please enter a valid email.

Subscription failed
Thank you for subscribing!

Want a daily digest of the top Nashville news?

Get a daily digest of the most important stories affecting your hometown with the Axios Nashville newsletter.

Please enter a valid email.

Please enter a valid email.

Subscription failed
Thank you for subscribing!

Want a daily digest of the top Columbus news?

Get a daily digest of the most important stories affecting your hometown with the Axios Columbus newsletter.

Please enter a valid email.

Please enter a valid email.

Subscription failed
Thank you for subscribing!

Want a daily digest of the top Dallas news?

Get a daily digest of the most important stories affecting your hometown with the Axios Dallas newsletter.

Please enter a valid email.

Please enter a valid email.

Subscription failed
Thank you for subscribing!

Want a daily digest of the top Austin news?

Get a daily digest of the most important stories affecting your hometown with the Axios Austin newsletter.

Please enter a valid email.

Please enter a valid email.

Subscription failed
Thank you for subscribing!

Want a daily digest of the top Atlanta news?

Get a daily digest of the most important stories affecting your hometown with the Axios Atlanta newsletter.

Please enter a valid email.

Please enter a valid email.

Subscription failed
Thank you for subscribing!

Want a daily digest of the top Philadelphia news?

Get a daily digest of the most important stories affecting your hometown with the Axios Philadelphia newsletter.

Please enter a valid email.

Please enter a valid email.

Subscription failed
Thank you for subscribing!

Want a daily digest of the top Chicago news?

Get a daily digest of the most important stories affecting your hometown with the Axios Chicago newsletter.

Please enter a valid email.

Please enter a valid email.

Subscription failed
Thank you for subscribing!

Sign up for Axios NW Arkansas

Stay up-to-date on the most important and interesting stories affecting NW Arkansas, authored by local reporters

Please enter a valid email.

Please enter a valid email.

Subscription failed
Thank you for subscribing!

Want a daily digest of the top DC news?

Get a daily digest of the most important stories affecting your hometown with the Axios DC newsletter.

Please enter a valid email.

Please enter a valid email.

Subscription failed
Thank you for subscribing!

Please enter a valid email.

Please enter a valid email.

Subscription failed
Thank you for subscribing!

Illustration: Aïda Amer/Axios

Human activity has decimated roughly 29% (almost 3 billion) of bird populations over the past 50 years in the U.S. and Canada, including meadowlarks, swallows and sparrows, scientists announced Thursday.

Why it matters: In addition to suffering pervasive losses in several groups of birds, North America has also reached a "widespread ecological crisis" that is affecting other activities like spring migration, food production and pest control, the scientists warn.

What's new: In a study published Thursday in Science, scientists found that "we're losing species of birds, abundances of birds, much faster than we thought ... almost three billion or one-third since 1970," co-author Peter Marra tells Axios.

  • The biggest driver is habitat loss caused by humans for agriculture and urbanization. This is something policymakers can still restore, for the most part, says Marra, former director of the Smithsonian Migratory Bird Center (SMBC) and now director of the Georgetown Environmental Initiative (GEI).
  • Marra urges people to take action in "the voting booth" and "not stand for the repeal of things that protect our water and land."
  • People also need to remove threats to birds by reducing lawn areas that don't provide bird habitat, minimizing light pollution and avoiding the use of harmful pesticides. Outdoor cats have also played a significant role.

The bad news: The study, which uses a combination of standardized surveys by bird enthusiasts and data from radar, finds the abundance of birds has fallen in diverse areas since 1970.

  • 12 bird families — including sparrows, warblers, blackbirds and finches — have 90% of the total accumulated loss.
  • Grassland birds have been hit the hardest, showing a 53% reduction (more than 720 million) in population.
  • Shorebirds, which often reside in sensitive coastal habitats, "were already at dangerously low numbers and have lost more than one-third of their population," the press release states.
  • Radar measures over the past decade show the volume of spring migration dropped 14% over that period.

The good news: The study also notes prior actions taken to protect certain species have worked, with waterfowl and raptors in particular becoming more abundant.

  • With wetland protections and hunting regulations, waterfowl like ducks, geese and swans have restored their populations, Marra says.
  • And due to endangered species protections and the removal of DDT-based pesticides, raptors like the bald eagle have become more plentiful.

What they're saying: "Studies like this do suggest the potential of a systems collapse,” Richard Gregory, a professor at University College London who wasn't part of this study, told the Washington Post. "These birds are an indicator of ecosystem health. And that, ultimately, may be linked to the productivity and sustainability of agricultural systems.”

The bottom line: Marra says it isn't too late to restore habitats and restore a healthy ecosystem in North America.

Of note: Sponsors of the study include American Bird Conservancy, Bird Conservancy of the Rockies, the Cornell Lab of Ornithology, Environment and Climate Change Canada, GEI and SMBC.

Go deeper: Listen to Science's podcast on this topic and check out a new multimedia website describing the issue and advocating action, called 3BillionBirds.org.

Go deeper

Updated 41 mins ago - Health

WHO: Delta health measures help fight Omicron

Photo: Mario Tama/Getty Images

Health measures taken to combat COVID-19 before the emergence of Omicron would also help against the new variant of concern, World Health Organization officials said Friday.

What they're saying: Takeshi Kasai, WHO regional director for the Western Pacific, said during a virtual briefing broadcast from Manila, Philippines, that border controls imposed by the U.S. and other nations can "buy time" to deal with the variant, but warned "every country and every community must prepare for new surges in cases."

2 hours ago - Health

Nevada to impose insurance surcharge on unvaccinated state workers

Nevada Gov. Steve Sisolak. Photo: Ethan Miller/Getty Images

Nevada's Public Employees' Benefit Program Board voted Thursday to charge workers enrolled in public employee health insurance plans a surcharge of up to $55 a month if they're not vaccinated against COVID-19, the Las Vegas Review-Journal reports.

Why it matters: Nevada is the first state to announce such a move, per AP.

Oklahoma sues Biden administration over Pentagon vaccine mandate

Secretary of Defense Lloyd J. Austin testifies before a House Armed Services Committee hearing on Sept. 29 in Washington, D.C. Photo: Olivier Douliery/Pool via Getty Images

The state of Oklahoma filed a lawsuit against the Biden administration on Thursday in an attempt to block the enforcement of its vaccine mandate for federal employees.

Why it matters: The move comes one day after Defense Secretary Lloyd Austin denied Oklahoma Gov. Kevin Stitt's (R) request to exempt the state's National Guard from the mandate.

You’ve caught up. Now what?

Sign up for Mike Allen’s daily Axios AM and PM newsletters to get smarter, faster on the news that matters.

Please enter a valid email.

Please enter a valid email.

Subscription failed
Thank you for subscribing!