According to recently released information, bird collision deaths have dropped by as much as 95% at McCormick Place Lakeside Center after bird-friendly window film was installed on the convention center’s glass.

On Tuesday, the U.S. Fish and Wildlife Service announced it was proposing to list the monarch butterfly as an endangered species. A final decision is expected by the end of the year.

The Conservation Fund, Illinois Audubon Society and Openlands announced the purchase of the 985-acre Tamarack Farms, which will now become the single largest property within McHenry County’s Hackmatack National Wildlife Refuge.

The deadly white-nose syndrome is threatening the northern long-eared bat — one of Illinois’ 13 native bats — with extinction. The race is on to find a cure and protect what’s left of the population.

Studies show temperatures of -30°F will kill 98% of ash borer beetle larvae. Guess when Chicago was last that cold.

One of North America’s most common native bumble bee species, the aptly named American bumble bee, is on the ropes. Among the threats to its survival: competition from honey bees.

Death’s come knocking a last time for the splendid ivory-billed woodpecker and 22 more birds, fish and other species: The U.S. government on Wednesday declared them extinct.

Four years after the rusty patched bumble bee was placed on the endangered species list, the U.S. Fish and Wildlife Service has released its final recovery plan for the insect, a plan critics say manages to go too far and yet not far enough at the same time.

Two days after welcoming three healthy chicks, Chicago’s beloved piping plovers added a fourth hatchling to their growing family, thanks to a little help from wildlife officials.

The 240-pound, 100-year-old, nearly 7-foot-long sturgeon is making headlines. But fish that size used to be common in the Great Lakes and maybe, thanks to restoration efforts, they will be again.

The Biden administration on Thursday proposed revoking a rule imposed under former President Donald Trump that weakened the government’s power to enforce a century-old law that protects most U.S. bird species.

The number of American bald eagles has quadrupled since 2009, with more than 300,000 birds soaring over the lower 48 states, government scientists said in a report Wednesday.

The U.S. Fish and Wildlife Service says the monarch butterfly warrants inclusion on the endangered species list but due to a lack of resources is being wait-listed behind higher-priority plants and animals.

In Chicago and surrounding counties, where reports of nearly 40 cases of rabies-infected bats have made headlines so far this year, the reputation of the small, winged creature seems bleak.