Mammals are a class of animal named after their distinctive feature- mammary glands with which they feed their babies. Here are some great and interesting facts about mammals.
Facts About Mammals
- Mammals all have sweat glands, three middle ear bones (which are used for hearing) and hair.
- Nearly all mammals are warm blooded (endothermic). This means they must eat more food to stay warm! The naked mole rat is a mammal that are cold blooded.
- Most mammals give birth to live young, but some lay eggs (the platypus, for example).
- All mammals possess a unique area of the brain that no other animals have- a neocortex.
- Baby mammals are dependent on their mothers for food.
- Some mammals are herbivores (eat only plants and grass), some are carnivores (eat meat) and others are omnivores (eat both plants and meat).
- Mammals have hearts with four different chambers- the right atrium, the left atrium, the right ventricle and the left ventricle. Atria receive blood and ventricles pump blood throughout the body.
- Mammals are more intelligent that most other animals. Rats, for example, are considered intelligent as they can learn and perform new tasks they are taught.
- There are approximately 5,400 different species of mammals.
- The smallest mammal is the Bumblebee Bat. They are 30-40 millimeters in size (1.2-1.6 inches).
- The Blue Whale is the largest mammal. They are 33 meters long (110 feet).
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