A chambered nautilus drifting along a deep reef slope carries one of the most distinctive buoyancy systems in the ocean. Nautilus buoyancy control depends partly on the animal’s coiled external …
A wood stork walking through a shallow marsh may look as though it is simply probing the water. In reality, it is using one of the most specialized feeding techniques …
Every February, the groundhog becomes famous for supposedly predicting how much winter remains. Its real winter ability is far more remarkable. Groundhog true hibernation involves a profound, controlled reduction in …
Pangolins look almost as if nature covered a small mammal in pinecone-like armor. Their unusual appearance comes from overlapping keratin scales, and the pangolin scale defense becomes especially impressive when …
A turtle resting beneath the surface of a river or frozen pond may look completely cut off from the air. Yet some species possess remarkable ways of exchanging gases with …
A finished weaver bird nest can look almost too precise to have been made with a beak and two feet. Yet weaver bird nest building is a remarkable combination of …
On a dark African night, a dung beetle can climb onto a freshly made ball of dung, perform a brief orientation dance, tip forward, and begin rolling backward across the …
Standing almost motionless in a tropical African swamp, the shoebill can look more like a creature reconstructed from a fossil than a living bird. Its enormous shoe-shaped bill, pale staring …
New Zealand’s extraordinary kākāpō has reached a conservation milestone that would have seemed almost impossible three decades ago. The kakapo record breeding season of 2026 produced 90 chicks that survived …
A cuttlefish closing in on a crab can suddenly transform into something that looks almost unreal. Dark bands appear to flow repeatedly across its pale head and arms while the …