Head to head
Mourning Cloak vs Giant Leopard Moth
The mourning cloak and giant leopard moth are both large, strikingly patterned Lepidoptera found across much of North America, but they have built their survival strategies around completely different tricks, one tied to timing and the other to a hidden defensive display.
| Mourning Cloak | Giant Leopard Moth | |
|---|---|---|
| Scientific name | Nymphalis antiopa | Hypercompe scribonia |
| Primary survival strategy | Overwinters as an adult | Startling hidden defensive display |
| Wing pattern | Dark with pale yellow border | Bold black rings on white |
| Adult lifespan | Up to nine to eleven months | Considerably shorter |
| Adult feeding | Tree sap and rotting fruit | Does not feed as an adult |
| Hidden defensive colouration | None | Red-orange abdomen bands |
| Conservation status | Least Concern | Least Concern |
| Diet | Herbivore | Herbivore |
Mourning Cloak vs Giant Leopard Moth: common questions
Why does the mourning cloak live so much longer than the giant leopard moth?
The mourning cloak survives winter by overwintering as a fully formed adult rather than as an egg or chrysalis, a strategy that lets a single individual live for nine to eleven months in total, considerably longer than the giant leopard moth, which does not carry this same overwintering-as-adult strategy and has a correspondingly shorter adult lifespan.
What does the giant leopard moth do that the mourning cloak does not?
The giant leopard moth curls into a tight ball when disturbed, revealing bright red-orange bands on its abdomen normally hidden beneath its wings, and can also release a foul-tasting fluid as an additional defence, a startling combined visual and chemical display the mourning cloak does not rely on for protection.
Do the mourning cloak and giant leopard moth eat the same thing as adults?
No, the mourning cloak feeds as an adult primarily on tree sap and rotting fruit rather than flower nectar, while the giant leopard moth does not feed at all once it reaches adulthood, relying entirely on energy reserves built up during the caterpillar stage to survive long enough to reproduce.