The other bird that gathers in large numbers in late summer is the chimney swift.
From the post-gazette.com
The Texas-based authors, Paul and Georgean Kyle, are well known for their work in chimney swift conservation.
From the dailyherald.com
They created a profile of the chimney swift guano deposit, then recruited experts to analyze different parts of the profile.
From the sciencedaily.com
The chimney swift is a common species that visits our region from late April through mid-October, give or take a few weeks on either end.
From the dailyherald.com
One group constructed a conservation project called a chimney swift tower, which will provide a home to chimney swifts, a bird with a declining population in Iowa.
From the desmoinesregister.com
Inside were two books, one about chimney swifts and the other about building swift towers.
From the dailyherald.com
A typical swift nest can take 18 to 30 days to build and may be placed as far as 30 feet below the mouth of the chimney.