Hybrids, or descendants of animals belonging to different species, are intriguing in the sense that they corroborate the Genesis After Its Kind principle.
A rather common example is the savannah cat, a cross between a domestic cat and a serval cat, a large eared wild African cat.
Noah did not thus have to take more than two animals of the cat kind into the ark.
A male and a female of this baramin (created kind) could produce all the varieties of cats that we see around us, from the tiniest domestic cat to Cecil the Lion.