Curiosities
Sloth: why this mammal moves so slowly
Discover why the sloth moves so slowly: its ultra-slow metabolism, its leaf-based diet, and the evolutionary adaptations that make it a unique…
Fer Sanchez
Articles
Bio Sheet
Koala: the Australian marsupial that sleeps 20 hours a day
Discover the koala (Phascolarctos cinereus), the arboreal marsupial from Australia that feeds on eucalyptus and sleeps up to 20 hours. Facts, habitat…
Curiosities
Chameleon: how this surprising reptile really changes color
The chameleon does not change color to camouflage itself; instead, it rearranges guanine nanocrystals in its skin. We explain the real mechanism…
Bio Sheet
Red fox: the most widespread wild mammal in the world
Discover the red fox (Vulpes vulpes), the wild carnivore with the widest distribution on the planet: habitat, diet, behaviour and conservation status…
Bio Sheet
Golden eagle: profile of the most imposing bird of prey in the northern hemisphere
Complete profile of the golden eagle (Aquila chrysaetos): wingspan, habitat, diet, reproduction and conservation status of one of the most powerful raptors…
Bio Sheet
Common octopus: the most intelligent invertebrate in the ocean
Discover why the common octopus (Octopus vulgaris) fascinates science: three hearts, 500 million neurons, and an intelligence that challenges what we know…
News
White shark: myths and realities of the great marine predator
Verified data on the white shark (Carcharodon carcharias): biology, real attacks, ecological role and conservation status according to the IUCN.
Environment
Blue whale: the largest animal ever to have lived on Earth
Discover the blue whale (Balaenoptera musculus), the largest animal in history, reaching up to 30 meters and 173 tonnes. Facts, habitat, diet…
Environment
Emperor penguin: life and survival in Antarctica
Discover how the emperor penguin (Aptenodytes forsteri) survives at -60 °C, breeds on sea ice, and why its future depends on the…
Environment
Jaguar: el gran felino de América y su papel en la selva
Descubre al jaguar (Panthera onca), el mayor felino de América y depredador tope de la selva amazónica. Hábitat, comportamiento, amenazas y estado…
News
Quebrantahuesos: el buitre que come huesos y vuelve a los Pirineos
El quebrantahuesos (Gypaetus barbatus) es el único vertebrado del mundo cuya dieta se basa en huesos. Te contamos cómo vive, por qué…
Environment
Oso polar: cómo el deshielo amenaza al rey del Ártico
El oso polar depende del hielo marino para cazar, y el Ártico lo está perdiendo a un ritmo del 13% por década.…