Northern Harrier (Circus cyaneus)

Summary

• Status in VT: Increased by 91% (22 to 42 blocks). Greatest increases in Northern Green Mountains and Vermont Valley.
• Data from other research: No additional data for VT.
• Conservation status: State rank S3B; SSC; SGCN-H
• Other atlases: NY: -1%; PA: -40%
• VT’s role in North American range: VT is within the core of the range.
• Causes of change since first Atlas: Unknown. Typical threats remaining range-wide are habitat loss from wetland destruction, grassland development, and conversion to forest.
• Management/Monitoring recommendations: Delay mowing and grazing of wet hayfields, pastures, and wetlands until after 1 August.

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