Caterpillar mimic
Title | Info |
---|---|
Common name | Butterfly, Swallowtail caterpillar |
Scientific name | Papillionidae |
Taxonomic group | Lepidoptera |
Level | Family |
Source | Dan L. Perlman |
Selection and adaptations | Coloration |
Coloration | Mimicry |
Behavior | Defensive |
Organisms | Animals |
Animals | Insects |
Lessons | Mimicry and Camouflage |
Location | Palo Verde National Park,Costa Rica,North America |
Caterpillar mimicking bird dropping, Costa Rica. If it survives to adulthood, this caterpillar will become a beautiful swallowtail butterfly. In its youth, however, it avoids predation through mimicry, by appearing to be an extremely unpalatable blob of bird excrement, as shown in this image. If a predator sees through the disguise and attempts to attack, the caterpillar has a second line of defense. It rears back, extrudes a forked scent gland called the osmeterium and lets off a foul odor, as shown in the companion image.