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

Northern Harrier

First Vermont Breeding Bird Atlas (1976-1981)

Species Account

Second Vermont Breeding Bird Atlas (2003 – 2007)

Northern Harrier Map 1

Northern Harrier Table 1Northern Harrier Table 2Change in Distribution
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Northern Harrier Map 2Northern Harrier Table 3

Links

Vermont eBird

Encyclopedia of Life

All About Birds