The Palos Verdes blue butterfly (Glaucopsyche lygdamus palosverdesensis) is a critically endangered species native to the Palos Verdes Peninsula in California. Known for its delicate, pale blue wings adorned with black spots and fringed with white edges, this small butterfly is a rare and precious sight. Its population has dwindled to fewer than a few hundred individuals due to habitat loss and degradation. The butterfly relies heavily on native wildflowers, particularly coastal buckwheat, for nectar and breeding. Conservation efforts are vital to protect and restore its natural habitat, ensuring the survival of this unique species.