This should have thickened the plot, but there is apparently no rivalry nor animosity between the co-mothers.

We watch them every day now, through a window in the roof.

Mother Greyskin visits the kittens frequently, lies down beside the home nest, and gives them their dinner.

While this is going on Mother Blackwing goes modestly away for a bite, a sup, and a little exercise, returning to the kittens when the cat leaves them.

It is pretty to see her settle down over the four, fat, furry dumplings, and they seem to know no difference in warmth or comfort, whichever mother is brooding them; while, as their eyes have been open for a week, it can no longer be called a blind error on their part.
{Coaxed out.