Their survival is not very easy because in winters mostly they don't get enough food and due to insufficient food they got died.
They also have a faty layer just beneath their skin to protect them from harsh environment.
Their survival is not very easy because in winters mostly they don't get enough food and due to insufficient food they got died.
They also have a faty layer just beneath their skin to protect them from harsh environment.
You have expressed this well and think it is strong of you that you are also thinking about this important topic!