Earth's longest-lived animal can survive for over 10,000 years.
This visualization shows the fastest land animals on the planet, and compares them to the top recorded speed for a human.
Animal resting heart rates vary significantly depending on factors like size and metabolism. Which creatures have the highest heart rates?
Human activity is largely to blame for the loss of numbers of the most endangered animals on this list.
Dogs may be our best friends, but as a carrier of the rabies virus, they end up fourth on the list of top 10 deadliest animals.
When the world's biomass—the stuff we're made of—is tallied up, humans and cattle outweigh wild mammals by a massive margin.
This graphic highlights the threats that pushed the world’s most endangered great apes to the brink, and what we can do to prevent their extinction.
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