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A list of the different types of whales that includes every living whale species, from the smallest (the dwarf sperm whale), to the largest (the blue whale).

Page Contents

What Is A Whale?

Two Main Types Of Whales

Whale Species List

Interactive Table Of Whale Species

All Whales Facts & Pictures

What Is A Whale?

Whales are marine mammals belonging to the group Cetacea, which also includes dolphins and porpoises. Whales are known for their large size, with many whale species weighing several tonnes.

Although descended from land animals, whales are fully adapted to aquatic life, possessing streamlined bodies for efficient swimming, flippers for maneuvering, and a paddle-like tail, known as a fluke, for propulsion.

Despite living in the ocean, whales are air-breathing animals and therefore have to surface periodically in order to breathe via a blowhole on …

Animals Around The World – Discover Species From Every Continent

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| Wildlife

The world is home to a vast number of animals; there are over 1.5 million recognized living animal species, and likely millions more still to be discovered and named.

Animals first appeared in the sea over 600 million years ago, and subsequently evolved to live in the majority of Earth’s aquatic and terrestrial (land) habitats. Today, animals are found all around the world, from the rainforests of South America to the frozen shores of Antarctica, with every continent being home to a unique collection of species.

On this page is a continent-by-continent guide to animals around the world.

Scroll down to view examples of animals from each continent, or use the links below to visit pages containing information on animals from specific continents (and the Arctic).

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Study: Every single country is failing the WHO’s new air quality standards

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| Pollution

No country in the world met the new air quality standards established in September by the World Health Organization, or WHO, according to a new survey that analyzed 117 countries’ air last year.

Even within those countries, almost every city failed to meet the standards. The study, which looked at the real-time air quality of 6,475 cities, found that just 222 of them — less than 3.5 percent — had an average air quality reading that met the WHO’s standard. Nearly 100 cities experienced pollution levels that were ten times higher than the recommended level, according to IQAir, the Swiss pollution technology company that conducted the survey.

It’s the first global air quality report based on the WHO’s new pollution guidelines, which suggest that average annual readings of hazardous fine particulate matter, or PM 2.5, not exceed 5 micrograms per …