Scientific Name: Aythya collaris
Population Estimate: 1.5M, Least Concern status
Range / Habitat: Found on small ponds throughout Canada (including Vancouver Island, where we saw them at Beacon Hill Park) and parts of northern US in summer. Winters throughout southern and western US, into Mexico.
Field Notes: Medium-sized diving ducks, usually found in small groups, diving out in the middle of the water. Readily identified by the black head / back, grey sides, and white ring around bill.
Personal Notes: Quite a common bird at Sherburne NWR in Minnesota at the end of April.