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California Tortoiseshell

Nymphalis californica

The California Tortoiseshell is a beautiful butterfly with orange and black patterns on its wings. It loves to flutter around flowers and is often seen in gardens and meadows.

Habitat: Grasslands

Appearance

The California Tortoiseshell has striking orange-red wings adorned with black spots and thick black borders, often with a yellow-orange submarginal band. Its underside is a mottled brown, which makes it distinct from other orange butterflies like the Monarch due to its intricate black markings and cryptic underside.

KingdomAnimaliaPhylumArthropodaClassInsectaOrderLepidopteraFamilyNymphalidaeGenusNymphalis
California Tortoiseshell
colorful trait badgegrassland trait badgeherbivorous trait badgepollinator_magnet trait badge
California Tortoiseshell

Category

Insects

Rarity

Common

Danger

1/5 · Very low

Snaps

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Interesting facts

Adults can sip tree sap, rotting fruit, or even animal droppings for nutrients!

Its larvae feast exclusively on Ceanothus, also known as California Lilac.

Mass migrations of these butterflies can involve millions of individuals!

They often emerge in huge numbers after wildfires, when host plants thrive.

Special abilities

Ability

Migration Mastery

California Tortoiseshell can fly hundreds of miles because of strong wings that help them find new habitats and food sources.

Ability

Winter Survival

California Tortoiseshell has a unique ability to hibernate as an adult butterfly because of special adaptations that help them survive cold winters.

Ability

Bark Camouflage

California Tortoiseshell can hide from predators because of its mottled brown underside wings that help them blend into tree bark when resting.

Ability

Host Plant Power

California Tortoiseshell larvae can munch on host plant leaves because of specialized mouthparts that help them grow quickly.

Measurements & details

Wingspan
45-76 mm
Size
20-30 mm
Lifespan
30-270 days
Flight Speed
15 km/h
Leg Count
6

Diet & Feeding

Young caterpillars munch leaves, while adult butterflies prefer sweet nectar, tree sap, and sometimes even rotting fruit!

Age differences: Larvae eat only specific host plant leaves, while adults seek out nectar, tree sap, and decaying fruits.

Primary Foods

  • Ceanothus leaves
  • flower nectar
  • tree sap
  • rotting fruit

Foraging Method

  • Foraging

Ecological connections

depends on

Deer Brush

Ceanothus integerrimus

Its caterpillars feed exclusively on these leaves.

shelters

Canyon Live Oak

Quercus chrysolepis

Adults often overwinter in its protective bark crevices.

eaten by

Steller's Jay

Cyanocitta stelleri

Birds like jays prey on both adults and caterpillars.

pollinates

California Goldenrod

Solidago californica

Adults drink nectar, helping to spread its pollen.

Traits

Also known as

No aliases listed yet.

Collections

Safety

Danger

1/5 · Very low

Butterflies are gentle creatures, but it's best to watch them from a distance.

Frequently Asked Questions

What is California Tortoiseshell's wingspan?

45-76 mm

How big is California Tortoiseshell?

20-30 mm

How long does California Tortoiseshell live?

30-270 days

How fast can California Tortoiseshell fly?

15 km/h

What does California Tortoiseshell eat?

Young caterpillars munch leaves, while adult butterflies prefer sweet nectar, tree sap, and sometimes even rotting fruit!

Where is California Tortoiseshell usually found?

Grasslands

How does California Tortoiseshell hunt?

Foraging

How many legs does California Tortoiseshell have?

6

Snap Map

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Where to spot

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