AUBURN – Ryan Bavis, assistant professor of biology at Bates College, will speak at 7 p.m. Monday, May 2, at a meeting of the Stanton Bird Club at the High Street Congregational Church. The event is free and all are welcome. Refreshments will be served.

Bavis’ presentation is titled “Living in Stale Air: Pros and Cons of Burrow-Nesting in Birds.”

When people think about what it takes for birds to successfully raise their young, they typically think about factors such as predators, temperature and food sources. Bavis will present other factors such as air quality in birds that use burrows or cavities for nesting.

Locally, bank swallows are an example of a bird species that uses burrows or cavities in sandy embankments. Studies show that trapped oxygen and carbon dioxide gases influence the development of young birds and may provide insights into human health and disease.

This is the last meeting of the club until November when the 2005-06 season will begin. However, there are many field trips being offered from May to October. For details of the trips, call 782-5238 or see the listing on the Web at

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