The Center for Biological Diversity, a 501c3 nonprofit based in Tucson, Arizona, believes human welfare is deeply linked to nature and its vast biodiversity. Through science, law, and creative media, we work to secure a future for all species on the brink of extinction, focusing on protecting the lands, waters, and climate for survival.

We envision a future where the wild endures. Visit biologicaldiversity.org to learn more and take action, including alerts at biologicaldiversity.org/action/alerts. Connect with us on Twitter, Facebook, Instagram, and TikTok. For questions or media inquiries, email center@biologicaldiversity.org.

The Center for Biological Diversity is actively fighting to save the Everglades from the destructive "Alligator Alcatraz" detention center. Join our upcoming webinar for an inside look at this critical legal battle, what lies ahead, and how your support drives this lifesaving campaign.

As a 501c3 nonprofit, the Center believes human welfare is deeply linked to nature. We use science, law, and creative media to protect lands, waters, and climate, securing a future for all species on the brink of extinction. Learn more at our website, take action, or donate to support our work. Find us on Facebook. For questions, email center@biologicaldiversity.org.

The Center for Biological Diversity is a leading organization of lawyers, scientists, and activists. They are dedicated to fighting for endangered species and habitat protections across the planet.

To learn more about their vital work, please visit their website: biologicaldiversity.org

Endangered ocelots are highly territorial, requiring miles of dense habitat for hunting. Habitat fragmentation from agriculture and development is their greatest threat. Learn more about ocelots: biologicaldiversity.org/species/mammals/ocelot

The Center for Biological Diversity is a Tucson-based 501c3 nonprofit. We believe human welfare is deeply linked to nature's diversity. Through science, law, and creative media, we work to protect lands, waters, and climate, securing a future for all species on the brink of extinction.

Learn more at biologicaldiversity.org. For questions or media inquiries, email center@biologicaldiversity.org.

The Center for Biological Diversity is a leading organization of lawyers, scientists, and activists. They are dedicated to protecting endangered species and habitats across the planet.

Learn more about their vital work: biologicaldiversity.org

The Center for Biological Diversity is a leading organization dedicated to protecting endangered species and habitats worldwide. Its team comprises lawyers, scientists, and activists.

Learn more about their vital work and mission by visiting their website: https://www.biologicaldiversity.org

The Center for Biological Diversity is a leading organization of lawyers, scientists, and activists. They are dedicated to protecting endangered species and habitats across the planet.

Learn more about their vital work: biologicaldiversity.org

The Center for Biological Diversity is a leading organization of lawyers, scientists, and activists dedicated to protecting endangered species and habitats worldwide.

Learn more about their work: biologicaldiversity.org

The Center for Biological Diversity is a leading organization of lawyers, scientists, and activists dedicated to protecting endangered species and habitats worldwide.

Learn more about their vital work: biologicaldiversity.org

The Center for Biological Diversity is a leading organization of lawyers, scientists, and activists. They champion endangered species and habitat protections worldwide.

Learn more about their work: biologicaldiversity.org

The Center for Biological Diversity is a leading organization of lawyers, scientists, and activists. They are dedicated to protecting endangered species and their habitats worldwide.

Learn more about their work: biologicaldiversity.org

The Center for Biological Diversity is a leading organization. Its lawyers, scientists, and activists work globally to protect endangered species and their habitats.

Learn more about their vital work: biologicaldiversity.org

All footage © 2025.

Legal protections have enabled wolves to return to the West Coast, an inspiring conservation success story. By late 2024, 75 wolf families were known across the three-state region, with recovery still in early stages due to ample habitat.

The Center for Biological Diversity, a Tucson-based 501c3 nonprofit, believes human well-being is tied to nature’s diversity. We use science, law, and media to protect species, their habitats, and climate, ensuring a wild world for future generations.

For more information, visit our website, take action, or connect with us on social media. Direct questions to center@biologicaldiversity.org.

The Center for Biological Diversity is a leading organization of lawyers, scientists, and activists dedicated to protecting endangered species and habitats worldwide.

Learn more about their work: biologicaldiversity.org

The Center for Biological Diversity is a leading organization of lawyers, scientists, and activists dedicated to protecting endangered species and habitats globally.

Learn more about their work: biologicaldiversity.org

Mountain lions, more closely related to housecats than lions, face challenging lives in Central California's urban wildlands. Their habitat is fragmented by freeways and development. Despite their wild nature, puma kittens behave much like domestic cats, and their mothers even purr. (Footage courtesy of the National Park Service)

The Center for Biological Diversity, a Tucson-based 501c3 nonprofit, believes human welfare is deeply linked to nature's biodiversity. We use science, law, and creative media to protect species on the brink of extinction and safeguard the lands, waters, and climate they need. Our mission is to ensure future generations inherit a world where the wild thrives.

Meet the bone collector caterpillar, a newly described Hyposmocoma species. This rare carnivore (only 0.13% of caterpillars) lurks in spider webs, camouflaged by insect corpses, even preying on its own kind. Roughly the length of a fingernail, it's a fascinating example of nature's unique adaptations.

The Center for Biological Diversity is a Tucson-based 501c3 nonprofit. We believe human welfare is deeply linked to nature's vast diversity. Through science, law, and creative media, we work to protect species, their habitats, and climate, ensuring a wild world for future generations.

Connect with us: Website | Twitter | Facebook | Instagram | TikTok | Take Action. Email center@biologicaldiversity.org for inquiries.

For a dopamine boost, watch baby kit fox siblings frolicking near a California den site on Instagram or YouTube. These tiny foxes—North America’s smallest native canines—frequently move den sites to evade predators, using over 60 different dens annually.

For decades, the Center for Biological Diversity, a Tucson-based 501c3 nonprofit, has fought to save these foxes from habitat loss, oil and gas development, and other threats. We believe human welfare is deeply linked to nature, working through science, law, and creative media to protect species and their habitats, ensuring a wild world for future generations.

A remotely operated submersible recently captured a rare video of a living juvenile colossal squid near the Atlantic Ocean's South Sandwich Islands. This foot-long creature, with a transparent body and glowing eyes, offers a glimpse of a species whose adults, never filmed alive, can reach 23 feet and weigh over 1,000 pounds, typically inhabiting Antarctic waters over 3,200 feet deep.

The Center for Biological Diversity, a Tucson-based 501c3 nonprofit, believes human welfare is deeply tied to nature's diversity. We work to protect all species from extinction through science, law, and creative media, focusing on safeguarding essential lands, waters, and climate. Our goal is a future where the wild thrives.