Animals We Think Are 'Useless' and the Surprising Purpose They Actually Serve

Misunderstood Creatures and Their Real Roles

Many animals are often unfairly considered useless simply because humans do not immediately see their value. However, scientific research continues to reveal that every species plays an essential role in the balance of ecosystems.

Mosquitoes

Though widely viewed as pests, mosquitoes are a key part of the food chain. Their larvae support fish and amphibians, and adults nourish birds, bats, and insects. Some mosquito species also contribute to pollination, including that of certain orchids.

Vultures

Vultures perform an important ecological service by consuming dead animals. This prevents the spread of diseases and purifies the environment. Without them, carcasses would decay slowly, attracting bacteria and other scavengers that could harm both wildlife and humans.

Wasps

While wasps can be aggressive, they are exceptional natural pest controllers. They reduce populations of flies, caterpillars, and other insects that damage crops. Wasps also help distribute pollen, aiding plant diversity and growth.

Opossums

These nocturnal marsupials may look odd, but they eat thousands of ticks each season, reducing tick-borne illnesses. Opossums also clean up fallen fruit, waste, and even small dead animals, helping maintain environmental hygiene.

Jellyfish

Despite their sting and lack of intelligence, jellyfish are vital to marine ecosystems. They regulate plankton populations and are a food source for turtles, sunfish, and seabirds. In some regions, jellyfish proliferation indicates changes in ocean health.

Rats

Often linked to filth and disease, rats still play an important environmental role. Certain species disperse seeds and aerate soil through their burrowing activities. They also serve as crucial research models in medical and behavioral sciences.

Spiders

Fear of spiders is common, yet they are vital for controlling insect populations. Without them, pests like flies and mosquitoes would grow uncontrollably. Spiders indirectly protect crops and reduce the spread of disease.

Bats

Bats contribute to pollination and seed dispersal, especially in tropical regions. They also consume large quantities of insects—one bat can eat thousands of mosquitoes in a single night—making them significant for pest control.

Author’s Summary

Even creatures we deem inconvenient perform vital ecological services, shaping balanced ecosystems and indirectly supporting human welfare.

The Times of India on MSN — 2025-11-27