Birds

Two lead-poisoned bald eagles were recently euthanized at the World Bird Sanctuary after efforts to save them failed.

More than a third of Americans age 16 and up are considered bird-watchers — a figure that has more than doubled since 2016.

In North America, up to 10 billion birds fly up to 20,000 miles round-trip each spring and fall.

Listener-funded effort will help prevent glass strikes for migratory birds at STLPR’s home in Grand Center.

The annual Christmas Bird Count runs from Wednesday through Jan. 5. The longest-running citizen science tradition in the nation, it will allow bird watchers to see if there is decline in bird species across the St. Louis region due to avian influenza and global warming.

Cellist and composer Jody Redhage Ferber is debuting EcoTones at the Powder Valley Conservation Nature Center.

St. Louis Public Radio hopes to raise money to spare birds from deadly collisions with its building.

Research from Washington University is the first to identify a direct link between cognition and animal response to climate change.

The number of trumpeter swans spotted at the Audubon Center at Riverlands in West Alton has swelled in recent decades, from just five in 1991 to nearly 900 last year.

The Missouri Farm Bureau and the U.S. Fish and Wildlife Service are partnering on an initiative to control the aggressive black vulture population.