Purple Martin (Progne subis)

Summary

• Status in VT: Decreased by 62% (21 to 8 blocks). Greatest decreases in Northern Green Mountains, Northern Vermont Piedmont, and Taconic Mountains.
• Data from other research: No additional data for VT.
• Conservation status: State rank S3B; SSC; SGCN-M
• Other atlases: NY, ON, PA: decreases ranging from 39 to 48%
• VT’s role in North American range: VT is at the northeastern edge of the range.
• Causes of change since first Atlas: Cold and wet weather reduces prey availability and can result in adult mortality and nest failure (not necessarily a cause of Atlas changes, however); use of pesticides in wintering areas.
• Management/Monitoring recommendations:  Provide housing and supplemental food (see Purple Martin Conservation Association.

Population Trends

First Vermont Breeding Bird Atlas (1976-1981)

Species Account

Second Vermont Breeding Bird Atlas (2003 – 2007)

Change in Distribution

Links

Vermont eBird

Encyclopedia of Life

All About Birds