The Black mamba
Mamba is a biological dynasty of intense venomous toxic snakes that includes four biological species living in Africa. These snakes are very poisonous and the three others, except black mamba, are often found on the trees. All day long, and make rats, birds, lizards, and make them feel proud. In Africa, these snakes are taught to be cautious because they get excited very quickly, and then they can kill very fast.
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From @rahularyan