Data Sources & Methodology

Primary Sources

• IUCN Red List of Threatened Species
• Animal Diversity Web (University of Michigan)
• National Geographic — Animals
• WWF Species Directory
• Encyclopedia of Life
• Smithsonian National Zoo
• San Diego Zoo Wildlife Alliance
• Wikidata

Accuracy

We cross-reference data across multiple sources. Statistics like weight, speed, and lifespan represent typical adult values. Conservation statuses follow the IUCN classification system.

Updates

Data is updated periodically to reflect new scientific findings and conservation status changes.