Animals by the numbers: a book of infographics

The animal kingdom: how animals are classified --

Animal species: how many different kinds of animals are there? --

Size: from the small to the gigantic --

Biomass: how much do all the termites in the world weigh? --

More biomass: the world's heavyweight champions --

Speed: what are the fastest animals? --

Animal leapers: jump! --

Wingbeats: staying airborne --

Sleep: how many hours a night? --

Life spans: from one day to 500 years --

Heart rate: fast and slow --

Horns: different shapes and sizes, all with a sharp point --

Tongues: for reaching-or catching-a meal --

Animal sounds: loud and louder --

Defenses: how an armadillo stays safe --

Poisonous or venomous?: the most toxic animals in the world --

Deadly animals: human deaths caused by animals --

Deadlier: the most dangerous of all --

High and low: living on a mountain top or deep in the sea --

Hot and cold: surviving in extremes --

Migration: animal journeys --

Mass extinctions: life's greatest disasters --

Endangered animals: almost gone.