Dogs circle around before lying down for several reasons. This behavior dates back thousands of years, when their ancestors lived in the wild. Circling allowed...
Frogs have developed fascinating abilities to survive being completely frozen. They can lower their metabolism to almost zero, a state known as quiescence. The heart...
Ladybugs owe their red color to specific chemical pigments called carotenoids. These substances are the same ones that give carrots and tomatoes their color. Carotenoids...
The eye-like patterns on butterfly wings serve to scare off predators. When a bird sees these patterns, it thinks there's a large predator watching it. This makes...
Butterflies drink animal tears to obtain mineral salts. Tears are rich in sodium, a crucial element for their metabolism. By sipping tears, butterflies also gain...
Some birds obtain their coloration from the food they consume. For example, flamingos owe their pink color to the carotenoids present in the shrimp and...
Aquatic mammals, such as dolphins and whales, have lungs for breathing. Unlike fish that use gills to extract oxygen from the water, aquatic mammals need...
Mother crocodiles carry their babies in their mouths to protect and keep them safe. Baby crocodiles are very vulnerable after hatching and can easily be...
Cryptic coloration, also known as camouflage, is a common adaptation among many animals in the forest. This characteristic allows them to blend perfectly into their...
Traditional fishermen have been using birds to catch fish for centuries. This method is particularly common in certain regions of Southeast Asia, such as Japan, China, and...