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Animal Facts

All informative and interesting articles about the world of animals. Curiosities about fauna, information about the animal kingdom, its protection and many other contents about the species that compose it.

Humpback Whale Heatrun. By Tomas Kotouc | Shutterstock.com

Cetaceans. The small and giant mammals of the oceans

We’re all able to recognise a dolphin, an orca or one of the whale species. These animals are part of the order of cetaceans (Cetacea). But…. Did you know that there are 80 species of cetaceans, and that there are huge differences between them? What is a cetacean? The first thing to...
Florida wetland, Airboat ride at Everglades National Park in USA. Popular place for tourists, wild nature and animals. By Romrodphoto | Shutterstock.com

Unwanted Aliens: the impact of invasive species

The errors of our ways If you’re reading this, you belong to a handful of generations who have lived in a period of critical species loss. As discussed in a previous article, the severity and extent of the damage to biodiversity that we are currently witnessing may even equate to...
Spirit bear (Kermode). By Anette Holmberg | Shutterstock.com

Have you ever heard of the Kermode bear, also known as the Spirit bear?

The Kemode bear: Spirit of the forest Deep within the Great Bear Rainforest, in Canada, all is not as it seems. The unique ecosystem produces strange natural scenes. On this coastal land, dampened by dense mist, we can still find indigenous tribes who began living there long before the white...
Twins sisters with Appaloosa horse and Dalmatian dogs in rainy autumn park. By Julia Shepeleva | Shutterstock.com

Do other animals give birth to twins? Examples from the animal kingdom

Assuming you’re human, the likelihood of having twins is quite little. But, depending where you’re from, there’s a surprising amount of variation. In Central Africa, the twinning rate is almost 30 in every 1,000 births; in much of Asia and Latin America, the average is as low as eight...
White Camargue Horses galloping through water. Parc Regional de Camargue - Provence, France. By Sergey Uryadnikov | Shutterstock.com

Animal’s social behavior: Group living

The need for socialization is not exclusive to human beings. Instances of social activity can be found in many species in the animal kingdom. Some animals connect, interact and live together in a more complex way than we could imagine. When thinking of animals that display this kind of...
Beijing, China - September 24, 2014: A vendor sells food at the Donghuamen night market in Beijing, China. Pic by Alexandru Nika | Shutterstock.com

Six-legged superfoods: could insects be the answer to food security?

“2,086 species of insect are eaten by 3,071 different ethnic groups in about 130 countries.” Bugged, by David MacNeal Insects form a big part of everyday diets for around two billion people around the world. Yet, for many of the remaining 5.58 billion, just the thought of eating an insect is enough...
Polar Bear (Ursus maritimus). By Vaclav Sebek | Shutterstock.com

Are species larger in cold environments? The principles of Bergmann’s rule

Nature isn't inert or homogeneous; thousands of processes and phenomena take place in it every second, leading to significant environmental changes. Nature is a living medium, with different habitats in which countless physical, chemical and, of course, biological interactions happen on a daily basis, creating an environment full of nuances...
Reindeer migration to breeding grounds. By mellow | Shutterstock.com

Festive animal facts: Camel vs. Reindeer

Christmas and nature The Christmas holidays are rich in tradition. Some (like decorating a tree) date back hundreds of years; others (like wearing tasteless woolen jumpers) are much more recent! Although customs differ from country to country, they all have a strong connection to nature. In the UK, the robin, mistletoe...
Zebras. By Fabrizio Frigeni

What is homeostasis?

Environmental factors are the characteristics of the external environment that have a direct impact on our organism. Sometimes, the alteration of some of these parameters (such as temperature or humidity) can negatively affect bodies, damaging and disrupting the execution of physiological functions. It's important for animals to be able...
Aldabra giant tortoise. By Daniel Wilson | Shutterstock.com

Longevity: a look at the shortest and longest lives in the animal kingdom

Life, but not as we know it. For all the scientific advances that humankind has made, we’re still grappling with some of the fundamental questions about life. Not just the distant, existential questions, such as the origins or meaning of life, but more immediate questions about life on Earth. Are...
A silhouettes of cranes in flight. By Sergey Uryadnikov | Shutterstock.com

The incredible journeys of migratory birds

The second Saturday in October is observed as World Migratory Bird Day, an event dedicated to one of the most outstanding annual phenomena in the animal kingdom: bird migration. Although many animal species migrate long distances every year, the case of birds has always drawn a lot of attention,...
Close up portrait of a grey wolf (Canis Lupus) also known as Timber wolf in the Canadian forest during the summer months. By FOTOimage Montreal | Shutterstock.com

The Grey Wolf. Our changing relationship with one of Europe’s apex predators

The legend You close your eyes and picture a wolf. Your mind will probably conjure up a snarling canine with pointed ears, wide eyes and sharp, white teeth. This is the image that forms in early childhood, reinforced by stories and folklore. We all know Aesop’s cautionary fable, The Boy...
Veiled Chameleon - Chamaeleo Calyptratus

Yasser, the veiled chameleon

About the veiled chameleon. Chameleons have the ability to change the pigmentation of their skin very fast. The individuals of this species also have a wide variety of colors they use mainly to express their mood. It uses the protuberance on its head, which gives it its name, to get water...
Ants and aphids in symbiosis. Photo by inkwelldodo | Shutterstock.com

Symbiosis in the animal kingdom. Mutualism, commensalism and parasitism

Sometimes, completely different species or organisms forge close or interdependent relationships, to the advantage of at least one of the parties involved. This interaction is called 'symbiosis'. It's not easy to come up with a narrow definition of symbiosis. In fact, symbiotic relationships can be divided into several groups: Clownfish swimming...
Axolotl (Ambystoma mexicanum). By Lapis2380 | Shutterstock.com

Amphibious adaptations: the wonderful world of salamanders

On the rare occasion that the mainstream media talk about amphibians, the coverage tends to take on a sensationalist tone. Even when the aim of a news story is to highlight an important issue like the threat of extinction, the headline invariably seeks to shock: “World’s weirdest amphibians”. Obviously, some...