otter
C1Pronunciation
UK
- /ˈɒtə/
US
- /ˈɑtər/
Description
- playful aquatic mammal
- river dweller
- sleek swimmer
Otters are semi-aquatic mammals known for their playful behavior, thick fur, and strong connection to water. They are often found in rivers, lakes, wetlands, and some coastal areas. Think of a furry, fast swimmer moving smoothly through the water. While many people picture the North American river otter, there are 13 species around the world, each suited to its own habitat. You might also think of sea otters floating on their backs or using rocks to open shellfish.
People often see otters as a sign that a water habitat is in good condition, because many species are sensitive to pollution and habitat loss. The word "otter" comes from Old English otor. In everyday English, the word usually refers to the animal itself, especially when talking about wildlife, rivers, coasts, or nature.
The word "otter" refers to a carnivorous mammal belonging to the subfamily Lutrinae within the mustelid family, which also includes weasels, badgers, and ferrets. But an otter is so much more than just another member of that family; they are incredibly intelligent, social animals renowned for their playful antics and remarkable adaptability.
There are thirteen species of otters found across the globe, ranging from the giant otter of South America—a truly massive creature reaching over five feet long—to the smaller Asian small-clawed otter. Each species has evolved unique characteristics suited to its habitat. Some prefer freshwater rivers and lakes, like the North American river otter, while others thrive in marine environments, like the sea otter, which is famous for using tools like rocks to crack open prey.
Otters are master swimmers with streamlined bodies, webbed feet, and dense, waterproof fur that keeps them warm even in near-freezing water. They are opportunistic hunters, feeding on fish, crustaceans, mollusks, and other aquatic creatures. A fascinating social behavior seen in some species is the formation of "rafts"—groups of otters floating together for warmth and security.
Historically, otters were hunted extensively for their valuable pelts, leading to population declines in many areas. Today, conservation efforts are crucial to protecting these charismatic animals and the ecosystems they inhabit. Seeing an otter frolicking in a river is not just delightful; it is a sign of a healthy environment—a true indicator species. So next time you are near the water, keep your eyes peeled for these playful, sleek creatures; a glimpse of an otter is a truly special experience.
Examples
- 1
Wildlife watching
We watched an otter dive under the water and come up with a fish.
- 2
Sea otters
Sea otters often float on their backs while they eat.
- 3
River habitat
The river is cleaner now, and otters have returned.
Forms and spellings
2 forms open this card.
Main spelling
- otternoun
Forms
- otterspluralnoun