Total Records: 1,009
- Mexico – Oaxaca1
- South Korea – KR-442
- United States – Arizona1
- United States – California502
- United States – Illinois3
- United States – Maryland490
- United States – Massachusetts1
- United States – Nevada2
- United States – New Jersey1
- United States – Pennsylvania1
- United States – Washington1
About
No page comments added.Synonyms
- Podiceps auritus/nigricollis