Red-spotted Purple Admiral Caterpillar - (Limenitis arthemis)
The Red-spotted Purple Admiral Caterpillar looks like bird droppings, and it uses its own droppings to secure its cocoon.
The Red-spotted Purple Admiral Caterpillar becomes the Red-spotted Purple Admiral and its adult counterpart is also known by the name(s) of: Red-spotted Purple Admiral Butterfly Caterpillar.
The Red-spotted Purple Admiral Caterpillar can be detailed through the following descriptors for identification:
brown; white; gray; two black antennae; black horns; bumpy; spiky; gray head; humps on back; white side stripe; mottled.
This caterpillar has been found in the following North American states and territories:
Alabama; Arizona; Arkansas; Connecticut; Delaware; Florida; Georgia; Illinois; Indiana; Iowa; Kansas; Kentucky; Louisiana; Maine; Maryland; Massachusetts; Michigan; Minnesota; Mississippi; Missouri; Nebraska; New Hampshire; New Jersey; New Mexico; New York; North Carolina; North Dakota; Ohio; Oklahoma; Pennsylvania; Rhode Island; South Carolina; South Dakota; Tennessee; Texas; Vermont; Virginia; West Virginia; Wisconsin
Note that the states/territories listed are a general indicator of areas inhabited by the Red-spotted Purple Admiral Caterpillar as insects typically go where they please, driven by diet, environmental changes, and / or mating habits.