Birds that call Illinois grasslands and wetlands home are in serious decline, ... Illinois species like the Henslow's Sparrow and Bobolink have seen population crashes of over 40%, ...

Prairie birds — including Illinois’ dapper bobolink — in steep decline, study says ... Shorebirds had the most tipping point species, with 19. Grassland birds had eight tipping point species ...

While spring migration is celebrated as a great time to spot colorful birds, there are also plenty of unique songbirds and other species you can see in the late summer and fall in southwest ...

Hundreds of millions of birds are actively migrating northward to places like Illinois to take advantage of plentiful food and good nesting locations. Hummingbirds, species of waterfowl, bluebirds ...

The nation’s grassland birds, spread across 320 million acres in 14 states, have declined 43% since 1970, more than any other category, and are “in crisis,” according to a report.

Several species of warblers, including the Yellow Warbler and Nashville Warbler, are migrating through Illinois on their way northward, along with Baltimore Orioles and several other species ...

More than four million birds crossed Illinois Saturday night into Sunday morning and more are expected in the coming days as an annual spring migration of birds over the United States continues ...