I think it is. Easiest way is if the tertial coverts have white edging it is a duck, buff edging is a drake. That is how we sex them in the field while banding.
Clint
Yes, black colors trend to be structural colors, refracting light waves. As a result, at the right angle, the black appears green or blue. A mallard drake head color is black, it is the refracted light that makes it appear green
That bird looks like a duck to me.
Clint
A young bird goes from down to juvenile plumage to first basic, then to first alternate when they get their green heads. That doesn't happen until they are about 5 months old. The head and body colors of first basic plumage are bsubtle, but they can be told apart. That bird is a drake.
You can...
While they are supposed to be marked, I really haven't heard of anyone being prosecuted for unmarked mallards. If you still have have the receipt from Tractor Supply, I'd be sure to know where it is
Clint
Really no way to ,mark adults. The reason being that one could capture adult wild mallards and then mark them. A seamless band is a band that is a complete circle, that's why it has to be put on while they are young, because they have to grow into it. Mixes do not have to be marked.Clint
Accepted ways of marking are pinioning, clipping the right hind toe, seemless legband, and tattooing. All should be done at an early age. I toe clip or pinion the day of hatch. Seemless bands need to be put on also at an early age, Generally you would use a size 7 band on a mallard, and fill...