They sure were active this morning. Well, except for #1.

I guess #3 still looks darker in comparison to the others.

But then, check out #1 Dark. This one was as dark as #3 when I first found it. Interesting.

Can I ask about the leaves you are feeding them? What are they? Around here the Zebra Swallowtails only seem to use Paw paws.

They look really great! Keep up the good work.
-Elisabeth

Awesome! They look great. Makes me smile =]

Thanks guys! It is just so exciting to have them. I find myself checking on them constantly. Cat #1 was very still for the above photo op and has now completed a molt. Cats #2, 3, and 4 are very still and not eating right now. I am assuming they are preparing to molt also. New pics coming once they have all molted. Hopefully, I won't bore y'all to death with zillions of Zebra pics. :o)
Tom, those leaves are Pawpaw leaves. It is the only host plant of the Zebra Swallowtail.

Sweet!! I have yet to see any swallowtails here in WI.