Common Black Chicks with non-feathered shanks and or feet...
Black Jersey Giants - should have Willow/Black legs and Yellow on the bottom of there feet, Single Comb.
Black Australorp - should have Black/Slate legs and Pink-ish color on the bottom of there feet, Single Comb.
Black Orpingtons - should have Black/Slate legs and White color on the bottom of there feet, Single Comb.
Black Sex-link (pullet) - could have Black/Slate (or Dusky Yellow) legs and Yellow on the bottom of there feet, Single Comb.
Black Wyandotte - Should have Yellow to Dusky Yellow legs and Yellow on the bottom of there feet, Rose comb.
Chris