Summary

  • Status in VT: Decreased by 33% (6 to 4 blocks). Decrease in Champlain Valley.
  • Data from other research: No additional data for VT.
  • Conservation status: State rank S1B; SSC; SGCN-M
  • Other atlases: NY: 1%; PA: -36%; MD: 13%
  • VT’s role in North American range: VT is in the northeastern corner of the range.
  • Causes of change since first Atlas: Death of trees on Young Island due to expanding nesting population of cormorants; disturbance from efforts to disperse cormorants (?).
  • Management/Monitoring recommendations:Reduce cormorant numbers, re-establish trees, and hold human disturbances to a minimum on Young Island.

First Vermont Breeding Bird Atlas (1976-1981)

Species Account

Second Vermont Breeding Bird Atlas (2003 – 2007)

Black-crowned Night-Heron Map 1 Black-crowned Night-Heron Table 1 Black-crowned Night-Heron Table 2

Change in Distribution

mapkey Black-crowned Night-Heron Map 2 Black-crowned Night-Heron Table 3

Links

Vermont eBird

Encyclopedia of Life

All About Birds