The northern water snake is regarded as one of the most abundant species of semi-aquatic snakes in North America. It usually inhabits places such as lakes, rivers, ponds, and marshes, and spends most ...

The biggest species of snakes are divided into two categories based on scientific research, i.e., the longest and the heaviest. This is because these two features are often found in different species.

Introduction -- Evolution & diversity of snakes -- What is a snake? -- Prey & hunting -- Enemies & defense -- Reproductive strategies -- Snakes & humankind -- The ...