Facts about the animal kingdom

Penguins are widely known for their distinctive black and white plumage, upright posture, and waddling gait. In addition to their unique appearance, however, penguins also exhibit a variety of interesting behaviors. Penguins are very social and live in large colonies, sometimes numbering in the millions. They...

When in natural light, we can look into our dog's eyes and see the deep coloration. Although a dog's eyes can be a range of colors, they are all patterned delicately and do not have any natural bioluminescence. For this reason, it can be quite an eerie sensation to see our dog's eyes light up like some...

There are many reasons one might think to ask is a crocodile a lizard? They have a scaly body with four legs, a long tail and a prehistoric face. They are both reptiles and have various similarities physically, taxonomically and otherwise. They both look like contemporary dinosaurs, creatures whose...

The idea of a cat-dog hybrid is a concept that has been around for a long time. People have long been fascinated by the idea of mixing traits of different animals. This has led to the development of certain hybrid animals, such as the liger (lion and tiger), the zonkey (zebra and donkey), and the wolfhound...

While there will be general consistency, most cats will have a somewhat capricious nature. Sometimes they will want to preserve their personal space and have some moments alone. Other times they will be appear desperate for company. As long as you have a good relationship with your cat and a strong bond...

The ocean sunfish, also known as the mola, is one of the most fascinating and unique fish species in the world. With its distinctive flattened shape, long dorsal fins, and enormous size, the sunfish has captured the imagination of marine biologists and casual observers alike. Despite its impressive appearance,...

Frogs are vertebrates, which means they have bones. However, the bones of frogs can tell us a lot about their anatomy, physiology, and evolutionary history. Frogs have adapted to a variety of aquatic and terrestrial habitats, and their bones reflect these adaptations. Moreover, development from tadpole to adult...

Sleep is a state of rest which allows animals to alter various physiological processes. This is necessary to conserve energy, help muscles rest and perform various other functions. Other organic processes change to facilitate this such as altering brain function and slowing respiration. Different animals...

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...

Within the group of vertebrates we find the order Testudines, to which all turtles belong, both aquatic and terrestrial. They are among the oldest and most primitive of all reptile groups, evolving millions of years ago. They are easily recognized by their hard shell, which protects them from predators....

Hair is a keratinized structure which can be of varying qualities. It is the same basic material which makes nails, yet it can also be incredibly soft and fluffy. The only animals that truly have hair are mammals. It is generally used for thermoregulation, both to keep the animal warm and to cool them when...

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...

Dogs have lived with humans for thousands of years. Some studies show that dogs are descended from wolves and apparently were domesticated about 40,000 to 27,000 years ago. But despite this long coexistence between humans and dogs, knowledge about dog reproduction still raises questions. Female dogs can...

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,...

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...

There is increasing awareness of ticks in relation to public health. Much of this is due to the increasing cases of Lyme disease being diagnosed, a condition which can also affect dogs. Ticks are arthropods of the Arachnida class, a category which includes fellow invertebrates such as spiders, scorpions and...

When two dogs become stuck together during mating, it can be a strange sight for humans. Their form of copulation can even look painful to the initiated. This is especially because the male and female will turn away from each other and even make movements to separate. Since they are stuck, it can make...

The animal kingdom is full of wonderful parents who care for their offspring. Most animals, including humans, depend on the care of their parents during the first days, weeks, and even years of their lives in order to survive. However, there are many species of animals that must care for themselves from day...

Turtles are one of the most fascinating vertebrates in the animal kingdom. They are particularly well known for their hard shell which provides protection from both predators and the elements. Since not many animals have a carapace like turtles, it can be difficult to think of them as anything but unique....

If your cat is pregnant, it is a good idea to prepare for the time of birth and the birth of the kittens. A very common question is how many kittens can my cat have. Usually it is between four and six kittens, but larger or smaller litters are not uncommon. Furthermore, if we take into account that female...

Our cats are very protective of their paws and for good reason. They are sensitive appendages which allow the cat to carry out their basic functions, including the ability to walk, interact with their environment and even show emotion. Since they are such adventurous felines, domestic cats are at risk of various...

We know cats are very hygienic animals. They will spend much of their day grooming themselves senseless. Although we need to help them with brushing their coat and general maintenance, too many guardians neglect their dental care. Since a domestic cat's diet is different to their wild counterparts,...

Amphibians belong to the phylum Chordatea. This is a taxonomic class that includes three orders. One of them is the anurans, which include frogs and toads. These fascinating amphibians are anatomically and physiologically adapted to a dual life in water and on land, and undergo metamorphosis to become adults....

The course of various evolutionary processes has allowed animals to adapt to various environments. These adaptations are required due to the changes in such environments. Changes in temperature is one of the most impactful on an animal's chances of survival. As the ambient, ground and even water temperatures...

Cats are known to sleep an average of 18 hours a day. The reason cats sleep so much is related to the fact that cats are naturally predators and need to rest between hunts. Even after domestication, they retain the habit of sleeping several hours a day, combining their naps with meals, just as they do...

Flamingos are very beautiful birds, generally distinguished by the pink coloration of their plumage, their long legs and their peculiarly curved neck, which they can move in different directions. Depending on the species, they are found in Africa, America, Asia, or Europe. It is believed that the ancestors...

Lagomorphs are a group of mammals distributed throughout the world known for their large ears and amazing speed. Although they resemble rodents in some details, they also differ in many ways. Lagomorphs belong to a different family with their own characteristics. Their evolutionary history is not yet fully...

Spiders are a very extensive and diverse group of arthropods belonging to the class Arachnidae. There are more than 45,000 known species of spiders that occur in habitats around the world. Although all spiders are more or less venomous, only a few of them are dangerous to humans. They are known to be...

It is common for cat guardians to see their feline staring at the corner of a room, seemingly at nothing. We may try to look at their field of vision only to see nothing of note. There are even times when our cat is seemingly staring at us for a prolonged period, but their line of sight remains steadfast...

Spiders are a very extensive and diverse group of arthropods belonging to the class of arachnids. Spiders are related to scorpions, ticks, and mites, and only very distantly to insects, with which they should not be confused. They have four pairs of segmented legs and can regenerate a leg if they lose...

The flamingo (Phoenicopterus) is one of the most beautiful and spectacular exotic birds in existence. Among its main features are the pink color of its plumage, its long legs and slender neck. They get their distinctive pink coloration from metabolizing carotenoids in small crustaceans that they eat. The...

You may be aware that a dog's main form of communication is through body language. This does not mean that vocalizations are not an important way for canines to express themselves. There are many types of vocalizations such as whining, growling and even howling, but barking is probably the sound we most...

As you know, the teeth of animals are specially adapted to the type of food they eat. Dogs, being carnivores, have incisors and canines with which they can grasp, tear and rip meat, and premolars and molars with which they can cut and grind food. Our dog's teeth can tell us a lot about our dog's health,...

When you think of sharks, you probably imagine a mouth full of razor-sharp teeth. Thanks to the many scary shark horror movies in pop culture, most people are terrified of these creatures. But shark teeth are much more interesting than that. In fact, their teeth play an essential role in their hunting...

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...

The sense of smell in cats is one of the most developed senses in this species, along with hearing and sight. A cat's sense of smell is the primary means by which it can identify people and objects. In fact, their sense of smell is 14 times better than that of humans. It is rare for cats to lose their...

Spiders are arthropod animals that belong to the order Araneae. Within this order is a great diversity of species, being the most varied group identified as arachnids. There are many people who believe spiders are insects, but they are a different type of arthropod. Spiders have eight legs and no antennae...

It is no secret to anyone that cats are unique and extraordinary animals. We who live with them are always amazed at all the things they can do. Cats have always aroused our curiosity and have even given rise to some myths and legends around the world. The following AnimalWised article lists some of...

When discussing eagles, the first animal that may spring to mind is the bald eagle (Haliaeetus leucocephalus). While it is certainly one of the most visible, there are many more different species to be found. Eagles are birds from the family Accipitridae. Many other birds of prey such as ospreys and...

The term birds of prey refers to all birds that actively hunt and feed on other vertebrates. They are characterized by certain physical features such as hook-tipped beaks and sharp, curved talons, as well as a keen eye for spotting prey. There are many species of birds in this group, but eagles are one of...

Dogs and cats are much more like us than we think, to the point that they are also ticklish. This is a sensation they feel when we stroke certain areas of their body where a large number of nerve endings are concentrated. However, unlike humans and primates, our pets are not able to feel all types of tickling. Read...

Penguins (Spheniscidae) are a family of birds, the only one of the order Sphenisciformes. There are at least eighteen living species, belonging to six genera, distributed from the poles to the tropics of the Southern Hemisphere. Penguins are known among birds for their feathered tuxedos and graceful gait....

Axolotls are animals whose name literally means strange water monster in Nahuatl, an Uto-Aztecan language spoken in Mexico. There is no doubt that this animal is strange in more ways than one, and not just because of its almost mythical appearance. Axolotls are unusual among amphibians in that they reach...

Seahorses are tiny fish that get their name from the shape of their head, which resembles the head of a small horse. Although they look like something out of a fairy tale, seahorses are found in oceans all over the world. Seahorses are unique not only because of their shape, anatomy, colors and facial...

Canids are a very diverse family of carnivorous mammals, with about 34 species. Most of them have a very similar body structure as well as specific characteristics such as a highly developed sense of smell and hearing, which are crucial for their survival. Because coyotes and wolves are closely related and...

We group animals together taxonomically for many reasons. The research which is undertaken to investigate the animal kingdom is vast and incredibly complicated, so classifying animal species helps us to better understand them. Another reason is that the common names we give animals can be very confusing. A...

You may be aware that a dog can sense a woman's pregnancy. This is mainly thanks to their incredible sense of smell which allows them to observe cellular changes in a woman's body that we are ill equipped to perceive. It is also because our dog pays attention to us. When we build a strong bond with our canine,...

Deer belong to a diverse group of animals within the family Cervidae, which includes more than 50 different species. Common characteristics of the group include the presence of antlers in all but one male species, which are renewed each year. Their size and weight can vary greatly depending on the species....

Thanatosis is a behavior by which some animals pretend to be dead. This form of animal deception is an adaptive behavior used as a defense mechanism or a form of mimicry and occurs in a wide variety of animals. Most often, they pretend to be dead in order to survive, hoping that their predator will no longer...

Birds have many characteristics in common, including feathers, beaks, lightweight bones and other features. Despite these similarities, the physical and behavioral characteristics of these animals are incredibly diverse. With around 10,000 extant bird species, we need to find ways to group them together...