Dolphins

Chia sẻ bởi Nguyễn Thị Hòang | Ngày 02/05/2019 | 38

Chia sẻ tài liệu: dolphins thuộc Bài giảng khác

Nội dung tài liệu:

Dolphins
Group3:

Dolphins
one of big animals on earth









carnivores
Range and habitat
all oceans worldwide







prefer coastal waters and bays
Size
Smallest dolphins
About 50 kg
1.2 m long
Largest dolphins
Up to 8,200 kg
10 m long
Feeding habits
Carnivores
Eating mostly fish
Offspring
Give birth to one calf every two years after a gestation period of eleven to twelve months
Life span
From 25 to 65 years
Sometimes longer, depending on the species
Special feature
Mammals, not fish






Among the most intelligent animals
Conservation concerns
at risk due to habitat pollution
accidental fishing net entrapment
How to protect dolphins
Protect the feeding and breeding areas
Dispose of garbage and chemicals properly as they can end up in the oceans and get ingested by wild dolphins
A great way to start the education process is to take them on a dolphin watch where he can view them in their natural environment.




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