cayuga ducks are from New York and don't need extreme heat. if it gets how out, you do need to keep out a bucket of water or a pool for it to swim in. in winter you would need a hutch of some sort with a heater inside, just in case. always check their water, it may freeze.
any white on a cayuga duck is a disqualification in showing
28 days
it depends on the type of duck egg you have. i had a cayuga duck, it was incubated at 99 - 99.5 degrees for approximately 28 days.
The Black Swedish duck would match that description, as would the Cayuga.
Only the females will accept Cayuga ducklings, and if she has ducklings of her own, and the ducklings that you have aren't part of her family, she will most likely just peck them away from her and her babies.
Initially they are black in color, but progressively lighten to white by the end of the season
they are used for egg and meat production as well as an ornamental bird
Most likely.
They will be fertile. They are the same species, just different breeds.
A male duck is called a drake.
For showmanship, it's a disqualification for a Cayuga duck to have white on any of the plumage. Cayuga ducks are supposed to be all black and be iridescent beetle green when in the correct lighting, though it's not uncommon for females to have white on their chest.
No it is not. In drakes especially, the tip will have olive color. In the APA Standard of Perfection, this is acceptable.