Preface -- What is a marine mammal? -- Main groups of marine mammals -- Modern taxonomy of marine mammals -- How to look for marine mammals -- Natural history of marine mammals -- Conservation -- How ...
There are around 40 species of dolphins alive today. They are found all over the world and live in both freshwater and marine ...
Recent studies have unveiled a disturbing trend: Atlantic dolphins are dying at a much younger age than in previous decades. This alarming development has prompted scientists to sound the alarm over a ...