Sam Mannell was eager to watch a litter of kittens develop and experience all their firsts when she first began fostering them for SPCA New Zealand. The 3-week-old kittens are so small and only beginning to understand their surroundings.

They are bottle-fed, a little reserved, but they are already beginning to play, Mannell told The Dodo. "The tiny gray kid is extremely bashful and little, the cream female is incredibly feisty, the ginger lad is really independent, and the black one thinks he's a human,"