Слайд 2The harbour porpoises grow to 1.5m-2m. The females are heavier at about
![The harbour porpoises grow to 1.5m-2m. The females are heavier at about](/_ipx/f_webp&q_80&fit_contain&s_1440x1080/imagesDir/jpg/364175/slide-1.jpg)
76kg compared with males’ 61kg
Слайд 3The harbour porpoises live in coastal waters of the North Atlantic, the
![The harbour porpoises live in coastal waters of the North Atlantic, the](/_ipx/f_webp&q_80&fit_contain&s_1440x1080/imagesDir/jpg/364175/slide-2.jpg)
North Pacific and the Black sea
Слайд 4 They eat small fish: herring and sprat
![They eat small fish: herring and sprat](/_ipx/f_webp&q_80&fit_contain&s_1440x1080/imagesDir/jpg/364175/slide-3.jpg)
Слайд 5 Harbour porpoises were traditionally hunted for food. Thousands of them were
![Harbour porpoises were traditionally hunted for food. Thousands of them were caught](/_ipx/f_webp&q_80&fit_contain&s_1440x1080/imagesDir/jpg/364175/slide-4.jpg)
caught there until the 19th century. Dirty water, chemicals from the factories cause the death of the animals. The main threat to porpoises is static fishing techniques such as gill and tangle nets.
Слайд 6HOW CAN PEOPLE SAVE THESE WONDERFUL ANIMALS?
People mustn’t use tangle nets and
![HOW CAN PEOPLE SAVE THESE WONDERFUL ANIMALS? People mustn’t use tangle nets](/_ipx/f_webp&q_80&fit_contain&s_1440x1080/imagesDir/jpg/364175/slide-5.jpg)
gill in areas where porpoises live
People mustn’t pollute water
People mustn’t hunt these animals