Ring-necked Duck (Aythya collaris)

Summary

• Status in VT: Increased by 700% (1 to 8 blocks). Increases in Northern Vermont Piedmont (0 to 6 blocks) and Northeastern Highlands (1 to 2 blocks). Range expansion to the south.
• Data from other research: No additional data for VT.
• Conservation status: State rank S1B
• Other atlases: NY: 106%; PA: 400%; ON: 57%
• VT’s role in North American range: VT is on the southern edge of the range.
• Causes of change since first Atlas: U.S. eastern range expansion due to: species’ preference for forested and riverine wetlands, generalized diet, and flexibility in habitat use.
• Management/Monitoring recommendations: No current recommendations.

First Vermont Breeding Bird Atlas (1976-1981)

Species Account

Second Vermont Breeding Bird Atlas (2003 – 2007)

Change in Distribution

Links

Vermont eBird

Encyclopedia of Life

All About Birds