Summary

  • Status in VT: Increased by 10% (148 to 163 blocks). Greatest increases in Champlain Valley, Taconic Mountains, Vermont Valley.
  • Data from other research: FBMP: annual decrease of 3.5%
  • Conservation status: State rank S5B
  • Other atlases: NY: 29%; PA: 48%; MD: 6%; ON: significant increases in most regions
  • VT’s role in North American range: VT is within the core of the range.
  • Causes of change since first Atlas: Forest maturation.
  • Management/Monitoring recommendations:Maintain suitable breeding habitat; monitor hemlock woolly adelgid.

Population Trends

Black-throated Green Warbler graph

First Vermont Breeding Bird Atlas (1976-1981)

Species Account

Second Vermont Breeding Bird Atlas (2003 – 2007)

Black-throated Green Warbler Map 1 Black-throated Green Warbler Table 1 Black-throated Green Warbler Table 2

Change in Distribution

mapkey Black-throated Green Warbler Map 2 Black-throated Green Warbler Table 3

Links

Vermont eBird

Encyclopedia of Life

All About Birds