Summary

  • Status in VT: Decreased by 23% (134 to 103 blocks). Greatest decrease in Southern Green Mountains.
  • Data from other research: FBMP: no sig. trend
  • Conservation status: State rank S5B; SGCN-M
  • Other atlases: NY: 4%; PA: -6%; MD: -33%; ON: 26%
  • VT’s role in North American range: VT is within the core of the range.
  • Causes of change since first Atlas: Forest fragmentation (?); regrowth of farmlands to forest (?).
  • Management/Monitoring recommendations:Reduction in use of pesticides on insect outbreaks in breeding grounds.

Population Trends

Black-billed Cuckoo graph

First Vermont Breeding Bird Atlas (1976-1981)

Species Account

Second Vermont Breeding Bird Atlas (2003 – 2007)

Black-billed Cuckoo Map 1 Black-billed Cuckoo Table 1Black-billed Cuckoo Table 2

Change in Distribution

mapkey Black-billed Cuckoo Map 2 Black-billed Cuckoo Table 3

Links

Vermont eBird

Encyclopedia of Life

All About Birds