Animals become endangered due to growing human population, destruction of their habitats, pollution and the introduction of other exotic species in the same region. Human exploitation of Earth's resources also contribute... More »

Aside from the fact that an array of animal species makes life on earth more interesting, protecting endangered species has important health benefits to humans. In particular, animals fit into the well-established ecolog... More »

Endangered animals must be saved to protect the balance of the ecosystem. When one species goes extinct, it greatly impacts the food chain. More »

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Woodland habitats are thriving with many different species of animals like spiders, chipmunks, skunks, squirrels and deer. In order to survive in a woodland habitat, the animals that reside there have to be able to adapt... More »

Grasslands are habitats for grazing animals like buffalo, elk and whitetail deer in North America and zebra and antelope in Africa, where herds support predators like lions and cheetahs. Other large mammals living in the... More »

Air pollution harms animals as a result of direct exposure to contaminants and destruction of their habitats, food and water sources. For instance, acid rain, which forms when pollutants in the atmosphere combine with pr... More »

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Several species of animals are color blind or see muted colors, including dogs, cats, bulls and sharks. Many fish can see muted colors. More »