"It’s just a devastating decline,” said Stuart Pimm, an ecologist at Duke University.
Trump-allied operatives have baselessly accused the National Butterfly Center of being involved with child trafficking.
Mike Tirico came out of his cocoon to encourage the butterfly on a Brooks Koepka birdie putt at the Tour Championship in Atlanta.
Monarch butterflies migrating to Mexico's forests for the winter are down by 26% since last year.
People in multiple states can help science and aid butterfly protection by reporting their monarch sightings.
The beloved pollinator is "a candidate" for threatened or endangered status, but feds said it's behind other species waiting for the designation.
The groom's parents wanted to honor their daughter, who died in a car accident.
A huge barrier will seal off 70 percent of a wildlife sanctuary closest to the Rio Grande.
The U.S. Supreme Court refused to hear a case this week that challenged the wall on environmental grounds.