In the cold, dark waters of the Arctic and North Atlantic lives an animal whose lifetime may span several human centuries. The extraordinary Greenland shark lifespan has made Somniosus microcephalus …
Fallen leaves are often treated as garden waste, but keeping some fallen leaves for wildlife can support an active community of insects, spiders, decomposers, and ground-feeding birds. Beneath this natural …
A woodpecker’s bill may do the drilling, but reaching food hidden deep inside wood often requires another remarkable tool. Woodpecker tongue anatomy includes a specialized tongue-supporting system that allows some …
For months of the Arctic summer, reindeer can live under almost continuous daylight. Then winter arrives and their visual world shifts toward prolonged darkness and extended blue twilight. Remarkably, reindeer …
A dragonfly hovering over a pond can suddenly accelerate, bank into a tight turn, reverse direction, or intercept a flying insect with extraordinary precision. Behind those maneuvers is an unusual …
An owl gliding over a dark field may be hunting an animal it can barely see. In some highly specialized species, owl asymmetrical ears provide additional information about where faint …
Floating on its back in a patch of coastal water, a sea otter may look relaxed. But when it places a clam or marine snail against a stone and strikes …
A beaver dam can look surprisingly simple: branches, mud, stones, leaves, and pieces of vegetation arranged across moving water. Yet that structure can alter the physical behavior of an entire …
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 …