Summary

  • Status in VT: Decreased by 23% (64 to 49 blocks). Greatest decreases in Champlain Valley andTaconic Mountains.
  • Data from other research: FBMP: annual decline of 4%.
  • Conservation status: State rank S4B
  • Other atlases: NY: -16%; PA: 130%; ON: 4%
  • VT’s role in North American range: VT is at the southern edge of the range.
  • Causes of change since first Atlas: Unclear; not limited by habitat availability.
  • Management/Monitoring recommendations: No specific recommendations; climate change models predict upslope migration of temperature-sensitive fir forests, possibly resulting in competition with Bicknell’s Thrush.

Population Trends

Swainson's Thrush graph

First Vermont Breeding Bird Atlas (1976-1981)

Species Account

Second Vermont Breeding Bird Atlas (2003 – 2007)

Swainson's Thrush Map 1Swainson's Thrush Table 1Swainson's Thrush Table 2

Change in Distribution

mapkeySwainson's Thrush Map 2Swainson's Thrush Table 3

Links

Vermont eBird

Encyclopedia of Life

All About Birds