What kind ducks are these ??

[morgen]

 

[Muscovynmore]

I'm don't have personal experience with either breed, but I'd guess Pekin or possibly Indian Runner. They'll be easier to determine when they're older.

Do they stand upright like that most of the time, or is that just duck attitude?

 

[Mackie n chicks]

definitely look like runners to me.

 

[DuckGirl77]

They look like runners. Some ducks that aren't runners can stand up pretty tall too when they are alert, though. When they run or are just standing normally, how straight do they stand?
They are very cute!