Animals
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Animals, a diverse group of living organisms, play a vital role in ecosystems worldwide. But what exactly makes an organism an animal? Animals, scientifically known as members of the kingdom Animalia, are defined by certain key characteristics that distinguish them from other life forms. Beyond these general...
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Hyenas are animals that make up the family Hyaenidae. They are a mammal which seems to take characteristics from various other carnivorous animals to create a unique animal with very particular behaviors and traits. Although they more closely resemble dogs, they are genetically more similar to felines. Known...
If we are looking for Spanish dinosaurs, we need to clarify that we are asking what dinosaur fossils have been found in Spain. These prehistoric beasts are long extinct, but our knowledge of them stems from the fossil record which can be seen in the form of bones, coprolites, gastroliths or ichnites left...
When it comes to grouping the different iguana types, there is some confusion over their taxonomic classification. All iguanas are lizards from the family Iguanidae, although some of the members of this family are not iguanas. This is the case with the chuckwalla. The genus Iguana is the most associated...
Although they may not appear very furry, armadillos are a type of mammal. As the name suggests, the giant armadillo is the largest armadillo species, but their larger size doesn't mean they are better protected against threats. Characterized by having a body covered by bony plates called scutes, the...
Ducks are versatile and widespread waterfowl that inhabit a diverse range of environments across the globe. With over 120 species identified, they can be found in nearly every part of the world, from serene lakes and rivers to bustling estuaries and marshes. Ducks vary significantly in size, color, and...
Some shark species are very populous, but others are facing significant threats in their marine environments. This is due to overfishing, pollution and other dangers to their habitats. Some of the most iconic species of shark are now in varying levels of endangerment, such as the great hammerhead shark (Sphyrna...
Gastropods are a vast and diverse group of mollusks, commonly known as snails and slugs. Gastropods showcase an extraordinary diversity of form and function. As the only mollusks to conquer both land and sea, these creatures have evolved remarkable adaptations to thrive in a wide range of habitats. Despite...
Moles are small mammals that belong to the order Eulipotyphla and the family Talpidae. They are specially adapted to live much of their lives underground. Most only have poor vision, while some are completely blind. Other physical adaptations such as shovel-like paws allow them to burrow underground....
Jellyfish are known for their ability to sting, maintaining this ability even when they are dead. It is a useful behavior which is used to both protect themselves from predators and catch their own prey. They are able to sting thanks to specialized cells on their tentacles called nematocysts. These cells...
Spain and the rest of the Iberian Peninsula are known for their rich biodiversity. This is partly due to the climactic and geographic diversity the country enjoys. These include sunny Mediterranean coastlines, temperate riparian forests, lush mountain ecosystems and even some desert territories. Despite...
Although many of us can be scared of insects, wasps are known to instill a particularly high level of fear. This is because they have a powerful stinger which can cause significant pain after being stung. For this with a allergy or sensitivity, this can even be life threatening. Their great agility in the...
The Mediterranean is a region of Europe defined by being on the coast of the Mediterranean Sea. This means it is home to many aquatic animals, as well as the terrestrial animals of inland Mediterranean countries. Seabirds are aquatic animals, although they may spend some of their time on land. They cannot...
We can accurately say the difference between predator and prey is that predators hunt prey for food. These are in reference to their respective positions within the food web. These roles are not always clearly delineated, with some predators being prey to others, depending on the circumstances. If we look...
Salps are tunicate marine animals that are characterized by their barrel-shaped and fre-floating habits. They can live singly or in extensive colonies in the pelagic zone of the world's oceans. They are gelatinous in texture and the majority of their mass is transparent, making salps almost imperceptible...
Amphipods are members of the order Amphipoda, small crustaceans that are characterized by having no carapace. They have a global distribution in the world's aquatic environments. Amphipods have been evolving and adapting into various forms of life. We are going to see that they can inhabit different ecosystems,...
Pelagic fish are a group of diverse fish species that inhabit the pelagic zone of the world's oceans. This zone is the vertical column of large bodies of water such as seas and very deep lakes which does not contain solid structures. Within the pelagic zone are different sublayers which differ in various...
The chameleon provides a particular fascination for lizard lovers, being one of the few terrestrial vertebrates which possesses the ability to chane color. Moreover, their pigment-changing behaviors are more advanced than many of the other animals which can change their skin. This is not to say all...
Despite often being apex predators in their ecosystem, there are certain crocodile species which are in danger of extinction. This is largely due to human influence on said ecosystems. Destruction of habitat, direct hunting or removal of their prey animals as a food source all contribute to their inability...
Shoals of fish are more than simply the collective noun for fish. They are a dynamic social group which swim together for many reasons, some of which we are yet to understand fully in marine biology. It is a behavioral phenomenon that sees a large group of fish swimming together. We can deduce some of...
The great auk (Pinginus impennis) was a British seabird that had a population distribution that ranged from the top of Spain up through the Atlantic to Greenland. It is now extinct. This extinction occurred leading up to the mid-19th century. There are different factors which contributed to their downfall...
Mammals, characterized by their warm-bloodedness, hair or fur, and milk production, represent a vast and diverse class within the animal kingdom. From the gigantic whales gliding through the oceans to the playful squirrels scampering through forests, mammals exhibit an incredible diversity in size, shape,...
All species and subspecies of gorilla are found in the genus Gorilla. Although there is some debate within primatology, it is generally considered that there are 4 types of gorilla. These are split between two distinct species, both of which have two further subspecies. They are the eastern gorilla (Gorilla...
Few of the most well-known dinosaurs are types of marine dinosaur. We might more often think of terrestrial dinosaurs such as those from the genera Tyrannosaurus or Velociraptor. There is a good reason for this, since there technically are no true marine dinosaurs. When we think of prehistoric animals,...
Humans and chimpanzees are our closest living relatives, sharing an estimated 98.8% of our DNA. This remarkable genetic similarity reflects our shared evolutionary history, tracing back to a common ancestor that lived approximately 6-7 million years ago. This shared ancestry has led to striking parallels...
There is only one species of tiger (Panthera tigris), but there are different types due to the presence of subspecies which include the Bengal tiger (Panthera tigris tigris), the Indochinese tiger (Panthera tigris corbetti), the Malayan tiger (Panthera tigris jacksoni), the Sumatran tiger (Panthera tigris...
Those unfamiliar with the subject may not be aware of the remarkable diversity of bee species worldwide. It's estimated that there are over 20,000 different bee species worldwide, each with its own distinct traits and attributes. These bees are categorized into seven recognized families, each contributing...
In the wild corners of our world, few creatures inspire as much awe, fear, and wonder as the wolf. These magnificent predators, with their piercing yellow eyes and haunting calls, have captivated humanity for centuries. They are the largest members of the Canidae family, and are apex predators in their environment....
Gulls are some of the most common and recognizable birds in the world. They are found on every continent except Antarctica, and they occupy a wide range of habitats, including coasts, lakes, rivers, and even urban areas. There are over 50 different species of gulls worldwide, and they vary greatly in...
Fire coral is a sessile marine animal belonging to the Milleporidae family. Despite their name and the fact they share many characteristics, fire coral are not a type of true coral. Like coral, they are sessile and cnidarian animals, but they have more in common with hydrozoan cnidarians. Their name...
Bird reproduction is a complex and fascinating process that involves a variety of behaviors and adaptations. Just like humans, birds must find a mate, build a nest, and care for their young. However, birds have their own unique ways of doing things. For example, male birds often sing elaborate songs to...
Herbivorous birds, a diverse group of avian species, have evolved to thrive on a diet primarily composed of plant material. Unlike their carnivorous counterparts, these birds have adapted to extract sustenance from various plant sources, showcasing a fascinating array of dietary preferences and specialized adaptations....
Amphibians are a remarkable class of vertebrate animals that occupy a unique ecological niche in the animal kingdom. Their name, "amphibian," hints at their dual life, as these fascinating creatures often bridge the gap between aquatic and terrestrial habitats. With a lineage dating back hundreds of millions...
There are various species or types of crabs, including the brown crab (Cancer pagurus), red king crab (Paralithodes camtschaticus), red reef hermit crab (Paguristes Cadenati ), coconut crab (Birgus latro), New Zealand pea crab (Pinnotheres sp.), blue swimmer crab (Portunus pelagicus), sponge crab (Dromia...
Passerines are commonly known as perching birds. They are the birds which make up the order known as Passeriformes. Within this order is a great diversity of birds, but they all have certain traits in common. Specifically, they have an arrangement of their feet which make it easier for them to perch on trees...
The Amazon pink dolphin, scientifically known as Inia geoffrensis, is an aquatic creature well known both in myth and fact. It derives its name from the soft hue that tinges its skin. In addition to its captivating appearance, the pink dolphin plays an integral role in Amazonian ecology and culture. There...
There are several species or types of octopus, such as the common octopus, the greater blue-ringed octopus, the dumbo octopus, the giant octopus, the mimic octopus, the Caribbean reef octopus, the big blue octopus, the Atlantic white-spotted octopus, the star-sucker pygmy octopus and the common blanket octopus.
Octopuses...
The different types of flamingos include the American flamingo (Phoenicopterus ruber), Chilean flamingo (Phoenicopterus chilensis), Andean flamingo (Phoenicoparrus andinus), puna or James's flamingo (Phoenicoparrus jamesi), greater flamingo (Phoenicopterus roseus) and the lesser flamingo (Phoeniconaias minor).
All...
The size of the queen bee is around 2 centimeters or 0.8 inches, although this can depend on various factors. This makes them by far the largest bee in a colony. This is very important since they play a fundamental role in the survival of a hive. It allows them certain functions which other bees cannot perform....
Mediterranean Jellyfish include species such as the compass Jellyfish (Chrysaora hysoscella), common jellyfish (Aurelia aurita), warty sea wasp (Carybdea marsupialis), Portuguese man o' war (Physalia physalis), blue button (Porpita porpita), Mediterranean jellyfish (Cotylorhiza tuberculata), barrel jellyfish...
You may already be familiar with this adorable creature, or perhaps its charming smile caught you by surprise in the picture. But did you know that since 2013, the quokka has been officially recognized as the happiest animal on the planet? These small, endearing Australian mammals have gained significant...
Some of the most common types of mosquitoes include the common house mosquito, tiger mosquito, malaria mosquito and insects you may not have known were mosquitoes, such as sandflies. Mosquitoes are known for their bloodsucking behaviors, something that only females of all the different types of mosquitoes...
Ruminants have long been a subject of fascination for scientists and farmers due to their incredible ability to convert low-quality, fibrous plant material into high-quality animal protein. This adaptation enables them to thrive on diets that would be impossible for most other animals to digest. At the...
Lionfish are some of the most recognizable fish due to their ornate fin orientation which includes many pointed spines. Although undoubtedly beautiful, they are also one of the most venomous fish in the world and great caution is required if we were to come across one while swimming. Although they have...
Flies, belonging to the order Diptera, are one of the most abundant and diverse groups of insects found across the globe. The life cycle of flies is marked by rapid growth and remarkable reproductive capabilities. Flies are known for their short lifespan, but their ability to reproduce quickly ensures...
Copepods are tiny aquatic crustaceans that play an important role in the ocean food chain. They are considered one of the most abundant groups of animals on the planet and are found in virtually every aquatic environment, from freshwater lakes and rivers to the depths of the ocean. Copepods are an essential...
The diversity of marine life is incredible, much of which has yet to be explored or even seen with human eyes. What we do know has been based on many years of meticulous and often dangerous research thanks to the perils of the ocean depths. Fortunately, we have been able to discover and taxonomically...
Thanks to movies and other popular culture sources, it is easy to think of dinosaurs as creatures of pure fantasy. These ‘terrible lizards’ bear some resemblance to reptiles we see today, but they have characteristics which make them seem as if they could have only ever existed in our imagination. In...
Especially as we get older, we can find remaining in one place too long to be problematic. Simply getting off the couch after a long movie can leave us stiff and awkward. In this context, it is quite amazing that some animals are able to spend months on end barely moving at all in a state of torpor. Without...