Birds build elaborate nests primarily to attract their mates. A well-designed nest showcases the builder's skills and health, sending a clear message: "I am a...
The chameleon's tongue is extraordinarily long, often longer than its own body. It is propelled at high speed thanks to specifically adapted muscles and a...
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...
The fur change in foxes begins with a biological reaction related to the length of the day: this is called photoperiod. When the days shorten...
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...
Singapore is an island country, a hyper-urbanized city-state facing a major constraint: limited space. Caught on a small surface area, the city must manage its...
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...