# 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. - **Category:** [Insects](https://www.snappit.app/explore/categories/insect) - **Rarity:** Common - **Danger:** 1/5 · Very low - **Snaps:** 41 - **Habitat:** Grasslands ![California Tortoiseshell](https://commons.wikimedia.org/w/index.php?title=Special:Redirect/file/Nymphalis_californica%252C_Fl%C3%BCgeloberseite.jpg&width=800) Photo: ALAN SCHMIERER, CC0 · [Wikimedia Commons](https://commons.wikimedia.org/wiki/File:Nymphalis_californica%252C_Fl%C3%BCgeloberseite.jpg) ## 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. ## Taxonomy - **Kingdom:** Animalia - **Phylum:** Arthropoda - **Class:** Insecta - **Order:** Lepidoptera - **Family:** Nymphalidae - **Genus:** Nymphalis ## 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 - **Migration Mastery:** California Tortoiseshell can fly hundreds of miles because of strong wings that help them find new habitats and food sources. - **Winter Survival:** California Tortoiseshell has a unique ability to hibernate as an adult butterfly because of special adaptations that help them survive cold winters. - **Bark Camouflage:** California Tortoiseshell can hide from predators because of its mottled brown underside wings that help them blend into tree bark when resting. - **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. - **Shelter:** [Canyon Live Oak](https://www.snappit.app/explore/canyon-live-oak) (*Quercus chrysolepis*) — Adults often overwinter in its protective bark crevices. - **Eaten by:** [Steller's Jay](https://www.snappit.app/explore/stellers-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 - [Colorful](https://www.snappit.app/explore/traits/colorful): Colorful describes organisms or objects displaying a wide range of bright and distinct colors. - [Grassland](https://www.snappit.app/explore/traits/grassland): Grassland habitats are terrestrial biomes dominated by grasses and herbaceous plants, supporting a variety of grazing animals. - [Herbivorous](https://www.snappit.app/explore/traits/herbivorous): This trait characterizes organisms whose diet consists entirely or primarily of plant material. - [Pollinator Magnet](https://www.snappit.app/explore/traits/pollinator-magnet): Describes plants that are particularly attractive and beneficial to a wide range of pollinating organisms. - [Diurnal](https://www.snappit.app/explore/traits/diurnal): Diurnal animals are primarily active during daylight hours, typically resting or sleeping at night. - [Migratory](https://www.snappit.app/explore/traits/migratory): Migratory animals undertake seasonal movements from one region to another, typically in response to changes in climate or food availability. - [Pollinator](https://www.snappit.app/explore/traits/pollinator): Describes organisms that transfer pollen, enabling the fertilization and reproduction of plants. ## Collections - [Insects](https://www.snappit.app/explore/collections/insects) ## Safety **Danger:** 1/5 · Very low Butterflies are gentle creatures, but it's best to watch them from a distance. ## Frequently Asked Questions ### How to identify California Tortoiseshell? Compare the wing outline, spots, bands, eyespots and wing edges. The underside can look completely different from the top. Check for tails, the antennae and where the markings sit instead of relying on color alone. Butterfly Identifier: upload a photo and compare the visible details. ### 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 ## Where to spot - [Black Diamond Mines Regional Preserve](https://www.snappit.app/guides/places/black-diamond-mines-regional-preserve) — California, US · Nature Reserve - [Forts Baker, Barry, and Cronkhite](https://www.snappit.app/guides/places/forts-baker-barry-and-cronkhite) — California, US · Historic District - [Hakone Gardens](https://www.snappit.app/guides/places/hakone-gardens) — California, US · Botanical Garden - [Regional Parks Botanic Garden](https://www.snappit.app/guides/places/regional-parks-botanic-garden) — California, US · Botanical Garden - [Rim Village Historic District](https://www.snappit.app/guides/places/rim-village-historic-district) — Oregon, US · Historic District - [Santiam State Forest](https://www.snappit.app/guides/places/santiam-state-forest) — Oregon, US · Forest [View all places to see California Tortoiseshell](https://www.snappit.app/guides/where-to-see/california-tortoiseshell) ## More Insects - [Common Eastern Bumble Bee](https://www.snappit.app/explore/common-eastern-bumble-bee) (*Bombus impatiens*) - [Spotted Lanternfly](https://www.snappit.app/explore/spotted-lanternfly) (*Lycorma delicatula*) - [Brown-belted Bumble Bee](https://www.snappit.app/explore/brown-belted-bumble-bee) (*Bombus griseocollis*) - [Eastern Carpenter Bee](https://www.snappit.app/explore/eastern-carpenter-bee) (*Xylocopa virginica*) --- Source: [California Tortoiseshell: Facts & Places to See — Snappit](https://www.snappit.app/explore/california-tortoiseshell)