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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