White-And-Orange-Tipped Nudibranch

The Mourning Cloak (Nymphalis antiopa)—often referred to by its classical name Antiopa—is a regal, dark-winged sovereign of the insect world. Known as the "Camberwell Beauty" in Europe, it is one of the longest-lived butterflies, often surviving up to ten months by "hibernating" through the winter in tree hollows. Its "fusca" (dark or dusky) appearance serves as perfect camouflage against the bark of the trees it calls home.

🔍 How to Identify

• 🦋 Velvety Wings: Deep maroon to near-black (dusky) wings with a distinct, iridescent purple-blue sheen when the light hits them.
• 🟡 Golden Border: A striking, bright yellow or cream-colored band runs along the ragged edges of both the forewings and hindwings.
• 🔹 Blue Accents: A row of bright, sapphire-blue spots sits just inside the yellow border, creating a high-contrast "crown" effect.
• 🐛 Spiny Larvae: As caterpillars, they are black with tiny white dots and a row of red-orange prolegs, covered in intimidating (but harmless) black spines.

🌲 Habitat & Ecology

• 🍂 The Sap Seeker: Unlike most butterflies that chase nectar, the Mourning Cloak prefers "forest refreshments." You’ll often find them drinking fermented tree sap from wounds in oak or willow trees, or even dining on rotting fruit.
• ❄️ Winter Warrior: This is one of the first insects to appear in late winter or early spring, sometimes while snow is still on the ground. They produce a biological "antifreeze" (glycerol) in their blood to survive sub-freezing temperatures.
• 🌳 Host Plants: They are loyal to deciduous trees. Look for their eggs on the undersides of Willow, Elm, Poplar, and Birch leaves.

⚠️ Safety & Toxicity

• ✅ Harmless: Both the butterfly and the caterpillar are safe for humans and pets. They do not sting or bite.
• 🛡️ Defensive Posture: When threatened as caterpillars, the group will twitch in unison to scare off predators. As adults, they are master hiders; they close their wings to look exactly like a piece of burnt wood or dead leaf.

✨ Fun Fact

The Mourning Cloak is a "shiverer." On cold spring mornings, they vigorously vibrate their wing muscles to raise their body temperature, allowing them to take flight while other insects are still frozen in place!