A black-crowned night heron, in its signature hunched stance, with long white streamers just visible. (Dulcey Lima / Unsplash)

The more scientists can learn about the Chicago colony of black-crowned night herons, the more they can help these birds help themselves. Because night herons are hanging on in Illinois by a thread.

Flamingos stand by the water along a Lake Michigan Beach on Sept. 22, 2023, in Port Washington, Wis. (Paul A. Smith / Milwaukee Journal Sentinel via AP)

The American flamingos spotted Friday in Port Washington, about 25 miles north of Milwaukee, marked the first sighting of the species in Wisconsin state history.

American white pelicans make a twice yearly appearance in Will County during fall and spring migration. (Diane Renkin / National Park Service)

The Forest Preserve District of Will County is celebrating the birds’ fall arrival during Saturday’s Pelican Watch event at Four Rivers Environmental Education Center in Channahon.

Emperor penguin (Aptenodytes forsteri) pair on sea ice, Larsen B Ice Shelf, Weddell Sea, Antarctica. (Sergio Pitamitz / VWPics / AP)

Four out of five emperor penguin colonies analyzed in the Bellingshausen Sea, west of the Antarctic Peninsula, saw no chicks survive last year as the area experienced an enormous loss of sea ice, according to a new study.

Armand Cann, fish and wildlife biologist with the U.S. Fish and Wildlife Service, left, and Brad Semel, engaged species recovery specialist for the Illinois Department of Natural Resources, walk along a protected site at Montrose Beach ahead of the release of three plovers on July 12, 2023. (Eunice Alpasan / WTTW News)

Three endangered piping plover chicks were released into the wild Wednesday at a protected site at Montrose Beach in an effort to aid in its species recovery. It marks the first time plovers have been released in the state.

Imani, photographed in April 2023 at Montrose Beach. (Courtesy of Tamima Itani)

Piping plovers might not be on the nest in Chicago this year, but 2023 is shaping up as a banner breeding year for the birds across the Great Lakes.

A peregrine falcon in flight. (Kev / Pixabay)

Another week, another wildlife sensation. This time it’s a pair of protective peregrine falcon parents who are dive-bombing pedestrians downtown in order to steer them away from their nestlings.

Millions of birds, including warblers, will be migrating through Chicago. (Howard Walsh / Pixabay)

Millions of birds will pass over the Chicago region this weekend as migration kicks into high gear. Want to be a good host? Turn off your lights.

Imani, photographed in April 2023 at Montrose Beach. (Courtesy of Tamima Itani)

The two unidentified plovers — one male, one female — that had joined Imani at Montrose have flown the coop, temporarily dashing the hopes of plover monitors for a love match and successful nesting season in Chicago.

The red-winged blackbird was among the most observed species in Chicago for the 2022 City Nature Challenge. (Susan Young / Flickr Creative Commons)

It's time for the annual City Nature Challenge, a friendly global competition among hundreds of cities, running from Friday through Monday. Here's how to submit nature observations and boost Chicago in the standings.

Imani at Montrose Beach, April 2023. (Courtesy of Matthew Dolkart)

There’s a love triangle brewing at Montrose Beach, where Imani the piping plover has been joined by a mystery bachelor and … a female.

Imani at Montrose Beach, April 2023. (Matthew Dolkart)

Chicago’s birders are celebrating the arrival of Imani at Montrose Beach. The piping plover is a 2021 chick of Monty and Rose.

Eaglet heads poke above the top of their nest. (Will County Forest Preserve / Chad Merda)

After months of great eggs-pectations, the Forest Preserve District of Will County has announced the arrival of five baby bald eagles.

(Danne / Pexels)

Scientists calculated the biomass of various groups of mammals, and humans’ impact weighs heavily on the planet.

(WTTW News)

It will be up to the next mayor to decide how to respond to Chicagoans’ growing frustration with these mega-events.

A bald eagle is pictured in a file photo. (U.S. Fish and Wildlife Service)

Forest Preserve District staff and volunteers have been keeping a close eye on the nests of two mated pairs of eagles and recently confirmed that at least one of the couples is sitting on eggs.