Believe it or not, this brood of siblings could share the same mother cat but have different fathers... It’s called superfecundation.⁠ ⁠ A female kitty can breed numerous times with different males when she’s in heat. Once the eggs are released from her ovaries, a process triggered during mating, the male’s little swimmers get trapped in the female’s reproductive tract and can fertilize the eggs, resulting in the potential for multiple donors. The female may release several eggs, which can survive for up to 24 hours, thus widening the window for multiple fertilizations from different sperm donors.⁠ If a female cat mates with males of the same breed, it would be impossible to know for certain whether superfecundation occurred because the physical characteristics would be too difficult to distinguish from one littermate to the other. Only a DNA test could confirm a kitten’s parentage.⁠ ⁠ _____⁠ ⁠ The biggest telltale sign that a litter has more than one father? The brood’s characteristic...