




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
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.





Category
InsectsRarity
Common
Danger
1/5 · Very low
Snaps
Be the first to snap!
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.
California Tortoiseshell can fly hundreds of miles because of strong wings that help them find new habitats and food sources.
California Tortoiseshell has a unique ability to hibernate as an adult butterfly because of special adaptations that help them survive cold winters.
California Tortoiseshell can hide from predators because of its mottled brown underside wings that help them blend into tree bark when resting.
California Tortoiseshell larvae can munch on host plant leaves because of specialized mouthparts that help them grow quickly.
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.
Ceanothus integerrimus
Its caterpillars feed exclusively on these leaves.

Quercus chrysolepis
Adults often overwinter in its protective bark crevices.

Cyanocitta stelleri
Birds like jays prey on both adults and caterpillars.
Solidago californica
Adults drink nectar, helping to spread its pollen.
Colorful describes organisms or objects displaying a wide range of bright and distinct colors.
Grassland habitats are terrestrial biomes dominated by grasses and herbaceous plants, supporting a variety of grazing animals.
This trait characterizes organisms whose diet consists entirely or primarily of plant material.
Describes plants that are particularly attractive and beneficial to a wide range of pollinating organisms.
Diurnal animals are primarily active during daylight hours, typically resting or sleeping at night.
Migratory animals undertake seasonal movements from one region to another, typically in response to changes in climate or food availability.
Describes organisms that transfer pollen, enabling the fertilization and reproduction of plants.
No aliases listed yet.
Danger
1/5 · Very low
Butterflies are gentle creatures, but it's best to watch them from a distance.
45-76 mm
20-30 mm
30-270 days
15 km/h
Young caterpillars munch leaves, while adult butterflies prefer sweet nectar, tree sap, and sometimes even rotting fruit!
Grasslands
Foraging
6
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California, US
You might spot Warrior's Plume, Diogenes' Lantern, and Checker Lily.
View guide →

British Columbia, CA
You might spot Western Rattlesnake Plantain and Shinyleaf Meadowsweet.
View guide →