Given that the Earth has experienced no fewer than six mass extinctions over the last 500 million years, the list of species that once lived but have gone extinct over the ages is vast. As of 2014, the Center for Biologi... More » Science Biology Zoology

Giant pandas are becoming extinct due to extensive habitat loss and destruction by hunters. Habitat loss destroys bamboo, which is the giant panda's sole food source. It also isolates pandas causing a reduction in the ra... More »

To stop pandas from becoming extinct, there are a few things that can be done such as: donate to reputable organizations including the World Wildlife Fund, become an eco-tourist, make others aware of the pandas' plight a... More »

As of 2011, there were an estimated 7.77 million species of animals on Earth, encompassing all phylums and families in the animal kingdom. This number increases to 8.74 million if non-animal species from the plant, fungi... More » Science Biology Zoology

There are many species of animals on Earth that spend the majority of their lives alone, including species of reptiles, amphibians, mammals, fish, insects and arachnids. Solitude is common in the animal world, and it may... More »

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

Some animals that weigh at least a ton include all species of the rhinoceros, the African and Asian elephant, the Asian gaur, and the hippopotamus. Other animals that weigh at least a ton are some species of whale includ... More »