About Animal Size Comparison
Understanding the natural world through visual comparison
Animal Size Comparison is a free interactive tool that lets you visually compare the sizes of different animal species using proportionally scaled silhouettes. Whether you're curious how a house cat measures up to a tiger, or want to see a blue whale next to an elephant, our tool makes it easy and fun.
Our Mission
We believe that understanding the natural world starts with seeing it clearly. By presenting animal sizes in a visual, interactive format, we help students, educators, nature enthusiasts, and curious minds everywhere develop a better intuitive understanding of the incredible diversity of life on Earth.
Data Sources
All animal measurements on this site are sourced from reputable scientific databases and publications, including:
- IUCN Red List of Threatened Species
- Animal Diversity Web (University of Michigan)
- Encyclopedia of Life (eol.org)
- National Geographic species profiles
- Smithsonian National Zoo data
- Peer-reviewed scientific literature
We use average adult measurements for each species. Individual animals may vary significantly from these averages.
Contact
Have a question, suggestion, or found an error in our data? We'd love to hear from you. Visit our contact page to get in touch.