Matt C wrote:
Jay K wrote:
Vince Pagliaroli wrote:
My how times have changed than when this was published.... Could be the less Mallards in the Atlantic Flyway, the better for the Black Duck.
Here's to the Black Duck. All that care deeply for the duck, and those that hunt for it with passion. A boarder line addiction, with many rewards.
It's a shame but the eastern wild mallard is 98% extinct, literally. Something like only 2% of mallards sampled from the eastern flyway have the original wild eastern mallard genetics. The good news though, black ducks, despite what people say only "retro-hybridize." It's a misconception that their is forward-hybridization. Only mallard x black crosses will breed with mallard x black crosses. On the off chance a mallard does cross a black, the offspring only reproduce with other crosses. So that's good news I suppose.
Not sure what the eastern wild mallard is, as I learned back in my Wetlands Ecology and Ornithology classes that mallards are not native to the east coast. Although they may have shown up during migration periods, mallards did not breed in the east. It was thought that a combination of the mallard's range expanding eastward and the release of farm reared mallards in the mid-20th century to be the cause of an established breeding mallard population in the east.
Well, you very well could be right. Going on what I have heard/read:
There was a wild eastern flyway mallard that pre-dates the 1920's. The game farm birds, as Vince said, corrupted the population. It was hunting clubs stretching from Maine to NC. They pre-dated records in the 1920's.
The study I read was done using DNA sampling from birds mounted way back pre-1960 and even farther. They actually went into museums and sampled specimens with harvest records. The genetic difference is huge. The study said that only 2% of the eastern flyway "mallards" they sampled from present day had largely similar genetics from the ones sampled long ago. They went as far as to compare characteristics as well. The game farm hybrids possessed narrower bills more so for picking feed vs. wider bills on the true wild samples used for actual dabbling.
I think it begs a couple other questions like: Was the "eastern wild mallard" just mallards from other flyways pushing naturally east? Is the genetic dissimilarity between current birds and samples from the past just a dissimilarity between game farm genetics of old vs. new? Is the "native" term subjective?
Tough to really tell. That same scientist did go on to state they did the same sampling for black ducks. They said, in contrast, 98% of the present day birds they sampled had the same genetics as the specimens they used as reference back from the 1920's. Very reassuring, and cool stuff.
I too love the birds of the Atlantic Flyway. We have some unique species here in NJ. Greater snows, Atlantic Brant, etc. However, as a new hunter 10 years ago, it was a little disappointing to learn there really is no such thing as a eastern flyway mallard.