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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A group of fish characterised by a cartilaginous skeleton, well-known species include...


The striped horse of the savannahs that pedestrian crossings were named after.

Diversity of light-detecting organs

Several analogous types of eyes have developed independently through convergent evolution.

European honeybee

Honeybees produce a sweet and nutritious substance, honey.

European otter

Otters are semi-aquatic predatory mammals.

The snowy owl

This owl species living in the furthest northern regions of our planet has adapted brilliantly...

Red deer

Red deer are even-toed ungulates, ruminants. Their males have spectacular antlers.


The best known cartilaginous fish, sharks, do not chew their food; they use their razor-sharp...

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