Summary

  • Status in VT: Increased by 71% (42 to 72 blocks).  Greatest increase in Northeastern Highlands.
  • Data from other research: No additional data for VT.
  • Conservation status: State rank S3B; no longer Species of Special Concern as of April 2010.
  • Other atlases: NY: -10%; PA: -42%; ON: no sig. change.
  • VT’s role in North American range: VT is within the core of the range.
  • Causes of change since first Atlas: Unknown.
  • Management/Monitoring recommendations:Increase monitoring efforts; use of recorded vocalizations in surveys to provide better understanding of population changes in VT.

Population Trends

American Bittern graph

First Vermont Breeding Bird Atlas (1976-1981)

Species Account

Second Vermont Breeding Bird Atlas (2003 – 2007)

American Bittern Map 1American Bittern Table 1American Bittern Table 2

Change in Distribution

American Bittern Map 2American Bittern Table 3

Links

Vermont eBird

Encyclopedia of Life

All About Birds