Facts about the animal kingdom of All animals
247 articles
Birds-of-paradise are types of passerine birds of the family Paradisaeidae. Their name is evocative of tropical beauty, something warranted both by the fact their natural habitat is tropical rainforest and their plumage is some of the most beautiful on any bird species in the world. There are 45 known...
Geese are a type of bird belonging to the family Anatidae, which also includes ducks and swans. Geese are known for their adaptability to various habitats, their impressive migration patterns, and their strong social bonds. In fact, geese are skilled flyers that undertake long-distance journeys between their...
How a jellyfish is born will depend on the species since jellyfish can reproduce both sexually and asexually. Despite having a relatively simple morphology, jellyfish reproduction can be an often complicated process and has certain features which are distinct to their species. Jellyfish belong to the phylum...
Diptera is a fascinating group of insects encompassing thousands of species, including flies, among others. Flies exhibit incredible diversity and are found across the globe. It's important to note that flies do not possess teeth, which means they are unable to bite. Instead, they have developed various...
Birds are a remarkable group of animals, known for their ability to take flight and their unique features that distinguish them from other creatures. What sets a bird apart and defines its identity? From their beaks and wings to their specialized internal organs, each part of a bird contributes to its remarkable...
Although we may have a clear impression of what is a seagull, the term is an informal name for various types of bird. All are grouped in the order Laridae, but there is much taxonomic controversy over which birds should be considered sea gull types. There are around 50 species of gull which can be found...
Starfish, commonly known as sea stars, have captivated people with their remarkable appearance and intriguing characteristics. These mesmerizing marine creatures are renowned for their distinctive star-shaped bodies, featuring five arms that radiate from a central disc. With their vibrant colors and intricate...
In the mesmerizing world of the animal kingdom, every creature holds its unique place, characterized by a distinct set of features and evolutionary traits. Among these captivating organisms is the snail, a creature that has intrigued and captivated curious minds for centuries. However, a fundamental question...
Oceanic food chains contain some of the largest organisms in the world, such as whales, feeding on some of the smallest organisms, such as phytoplankton. We know this thanks to the great work of many marine biologists, but the difficulties in exploring the depths of the ocean mean our understanding is still very...
The danger catfish pose to humans depends on the individual species, something which varies greatly. This is partly due to the vast amount of different catfish species we can find. All within the order Siluriformes, there are around 36 families of catfish containing over 3,000 individual catfish species....
An octopus is a type of cephalopod, a class of marine animals that also includes squid, cuttlefish, and nautilus. Octopuses are fascinating creatures that have captured the imagination of humans for centuries. From their ability to change color and shape to their impressive intelligence, these creatures...
Birds are some of the most fascinating organisms in the animal kingdom. Although they are not the only animal to fly, their ability to do so allows for unique migratory behaviors and other impressive abilities. They also have a diversity and beauty in their appearance which has inspired naturalists since...
Echinoderms are a diverse group of marine animals belonging to the phylum Echinodermata. They are characterized by their radial symmetry, that is, their bodies are arranged in a symmetrical pattern about a central axis. Echinoderms are found in all oceans of the world, from shallow coastal waters to the...
The animal kingdom is characterized by a great diversity, in which each species has evolved different characteristics and strategies to ensure its biological success. Reptiles are a diverse group, so it's not surprising that they have developed different reproductive methods.
The following AnimalWised...
Ants belong to the class of insects and are grouped in the family Formicidae. It is a very diverse group, as there are more than 10,000 species, although it is estimated that this number could be much higher. The ants are distributed worldwide, except for some islands and Antarctica. One of their most outstanding...
The word "fish" refers to numerous species. So it should not be surprising that there is more than one way to reproduce and be born. Most fish are oviparous, that is, they reproduce through eggs that are hatched after being laid by the parents, as in birds. However, there are also ovoviviparous or viviparous...
Respiration is a vital function for all living things, from protozoa to higher animals and, of course, humans. Animals have different respiratory systems, depending on the species and the mechanisms that have developed over centuries of evolution. These systems vary in complexity depending on the species,...
Insects are the most diverse class of arthropods on our planet, exhibiting a wide variety of characteristics and adaptations. Depending on the species, they can walk, fly or swim and have conquered an infinite number of habitats. Insects differ from one another in their anatomical, biological, and ecological...
Ecosystems exhibit complex dynamics. They are made up of different components that constantly interact with each other. It is a process in which all living things participate, some as predators, others as prey. Snakes are undoubtedly dangerous species known for their hunting abilities, but snakes are also...
Whales belong to a group of marine mammals known as Cetacea. As mammals, whales also have lungs, just like us, and breathe air, just like us. Most people believe that whales are a type of fish because they are perfectly adapted to life underwater. However, this is not true at all. Whales are warm-blooded,...
The animal kingdom is one of life's greatest success stories, a collection of millions of species that swim, burrow, run, and fly all over the planet. All this diversity, from bees to dolphins, evolved from a common ancestor that probably lived more than 650 million years ago. Recent studies suggest that...
Is there anyone who has not imagined being attacked by a shark on the beach? This widespread thought may have its origin in the ferocious appearance of these animals and in the numerous movies in which they star. Although they are among the deadliest predators in the marine world, there are very few attacks...
Annelids are a very diverse group of invertebrates which some people think of simply as worms. While all annelids are types of segmented worm, not all worms are annelids. There are more than 1,300 annelid species that we have discovered so far. Within this very large group we can find terrestrial, marine...
Being the most diverse class of animals on the planet, insects have incredible differences in appearance when we compare one species with another. These variations apply to almost every physical aspect such as coloring, appendages, and size. While we correctly think of insects as being small in size, this...
The interactions between plants and animals are very complex. Any disruptions to these relationships can be very disruptive to a given ecosystem. While the relationship between fruit-eating animals and the fruit they eat can seem straightforward, it is usually part of a very complex reciprocal relationship....
Hyenas are mammals of the carnivore order, taxonomically classified in the suborder Feliformia. Although phylogenetically closer to the felids and viverrids, hyenas resemble canids in behavior and morphology. Hyenas are generally associated with scavengers, but can also hunt live prey. Hyenas have several...
Although phylogenetically most closely related to cats, hyenas share many behavioral and morphological traits with dogs. Over time, there have been several genera of hyenas, but most of them have become extinct. Today, there are only four species left, making it the least common family of mammals. Despite...
Insects are the most diverse animals on the planet, of which more than a million species have been identified. Estimates indicate there is still between six to ten times this amount yet to be discovered. With such a wide distribution and diversity, they have inhabited practically every biome on the planet,...
Amphibians belong to a group of vertebrates with specific characteristics, because from the point of view of structure, they are between fish and reptiles, and because of this, they can live both on and off land in most cases. There are currently three types of amphibians, commonly known as frogs and...
Some animals have an intense coloration which can easily attract attention. Often these colorations can present in various patterns and shapes, with some animals looking as if they were painted by a Cubist artist. We can see these beautiful works of nature in frogs, butterflies, birds, insects, and more....
In the suidae family are several species of animals commonly known as pigs and wild boars. In the latter family, the wild boar sus scrofa is usually referred to as a pig. There are other species that are referred to this way, such as the desert warthog (Phacochoerus aethiopicus) and the common warthog...
Flies are a group of invertebrates that belong to the class Insecta and the order Diptera. The name Diptera derives from the Greek and means “two.” Flies are included in this group because unlike most insects, they have two wings instead of four. There are several species of flies, and these are classified...
Reptiles and amphibians belong to the group of vertebrate animals, more specifically, tetrapod animals. Tetrapod is a term to describe animals that use four limbs to move or to manipulate things. Reptiles were the first truly terrestrial vertebrates, while amphibians are a group with transient traits between...
We too often rank animals by speed or certain abilities without giving them the correct context. Some animals may be faster than others, but this is only because they have needed to adapt in the way they have. What is more important and more interesting is looking at how and why animals do the things...
Slugs are animals belonging to the phylum Mollusca, a very large group of invertebrates which also includes animals as diverse as clams and octopuses. With such diversity, classifying these invertebrates is no easy task. It takes years of research and reviewing to define them taxonomically. Even when...
We associate certain animals with certain behaviors or characteristics. You can be as sly as a fox, as wise as an owl or have a memory like a fish. The last example is due to the commonly assumed fact that fish have very poor memories. However, the traits applied to such animals are generalizations...
Arthropods are the most diverse group of organisms on the planet, accounting for around 80% of all living animal species. Each individual species has adapted to their environment in certain ways. Some fly, some have long bodies and some have appendages which allow them to survive. The latter example can be...
Insects make up the largest taxonomic groupings of any animal with approximately 1 million known species. This makes the process of grouping them together a difficult task for scientists. Since some types of insect develop certain features they share with others, this can help us to group them correctly....
The quokka is an animal practically designed for social media. This is because they are adorable. Not only are they cute little mammals, but their morphology gives them an almost human-like smile which is not very common in the animal kingdom. Human interest in quokkas has gone further than simply making...
The word ‘lizard’ covers a great variety of reptile groups which can be found in different types of habitats, almost anywhere in the world. This is why these animals are often present in our homes. This is especially so if we have gardens, orchards or any place they can enjoy the right conditions for...
Every culture across the world and its history has used animals in their folklore and mythology. The natural world is an inspiring place in many ways, so it is understandable we might see different cultures let their imagination run wild. But how much of these legends are based on actual creatures?...
For many years, humans have been changing the ecosystem in various ways. However, in recent years, we have started to realize the negative consequences of our actions and have begun to implement certain strategies. After all, we can only thrive on a healthy planet. This is where the umbrella species comes in.
What...
Invertebrate animals are those that do not have a backbone. The majority of the world's animals are found in this group, representing 95% of the existing species. Being the most diverse group within this kingdom, its categorization has become very difficult.
In this AnimalWised article we're going to...
There are two types of reproduction in the animal kingdom, asexual and sexual reproduction. Whereas asexual reproduction doesn't involve the fusion of gametes, sexual reproduction does, thus resulting in an offspring genetically different to its parents. This type of reproduction can also be found in...
Blue-ringed octopus are small and adorable octopus mostly found in Australia's coral reef. Despite their innocent appearance, these little sea creatures are actually quite dangerous.
In this AnimalWised article, we're going to dive deeper into blue-ringed octopus, what they eat, their toxicity and more!
Starfish are fascinating sea creatures full of mysteries. In this AnimalWised article, we're going to explain how starfish breathe.
We'll go through their unique anatomy and explain how these sea stars breathe underwater and above water. Keep reading to learn more!
The eagle is an important animal to various countries. They represent strength, freedom, and perseverance, among many others. Although we might think of many things when thinking about eagles, what do they look like in your mind? For many, it is the bald eagle with its white dome and piercing eyes. However,...
Fish are the most diverse vertebrates when it comes to aquatic environments. In fact, there are about 28,000 species of fish around the world. They have a large number of anatomical and physiological adaptations that have allowed them to evolve successfully over the years.
In this AnimalWised article,...
Procreation through sexual reproduction implies the necessary presence of two different sexes. The competition for resources, the risk of predation, and the energy expenditure of finding and courting a mate have led many animal species to evolve adaptations to facilitate this process.
In this AnimalWised article,...
Biology has a wide range of vocabulary to classify and characterise different species. In this AnimalWised article we are going to talk about endemism.
We will define what an endemic species is and give examples with photos and descriptions so that you have a good understanding of what it is. Continue...
