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Projects Vermont Breeding Bird Atlas American Bittern

American Bittern (Botaurus lentiginosus)

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

First Vermont Breeding Bird Atlas (1976-1981)

Species Account

Second Vermont Breeding Bird Atlas (2003 – 2007)

Change in Distribution

Links

Encyclopedia of Life

All About Birds