Although they're abundant here, I'm still in the phase of really enjoying sifting through all the GREEN-WINGED TEAL on St. Paul. The Eurasian race is more abundant than the North American race but both breed here... and, you know, sometimes hybrids happen.
For example, here's a clear-cut hybrid between the two races; note the vertical white line on the side of the breast (fieldmark for NA race) as well as the white horizontal dash along the folded wing (fieldmark for Eurasian race):
Here's one that you could argue is pure Eurasian... but is that a hint of a paler area on the side of the breast?
And yes... the ORIENTAL CUCKOO is still around; it's been present for more than a week now: