Long-tailed mayfly

Larvae of this type of mayflies spend the first three years of their lives in water, their adult lives last for only one day which they use for mating.

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Spider silk, spider web

While the density of spider silk is less than that of nylon filaments, its tensile...

Emperor penguin

Penguins are birds living in the Antarctic and adapted to cold temperature and swimming.

American bison

The American bison is the largest land animal in North America.

European pond turtle

The animation shows the anatomy of turtles.

Lesser horseshoe bat

Bats use ultrasound to navigate and hunt for prey.

Tyrannosaurus rex ‘tyrant lizard’

Large carnivores, perhaps the best known of dinosaurs.

Types of feathers

The animation demonstrates the most important types of feathers and their fine structure.

Southern wood ant

An ant colony consist of a queen, male ants and workers.

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