Flukes are used to identify whales because they are easily noticeable and each species of whale has a very unique fluke that is unlike the other species. Scientists need this data in order to know what whale they are researching, otherwise their data would be very general. They can observe the movement of different species of whales to understand what those groups are doing and how they are reacting to their environment. The most difficult part of the whale identification lab was that the pictures used to identify the flukes weren't very clear so many of them were similar. The lab could be changed for the better by making either more flukes to identify or by making it harder to identify the flukes that were given because the lab was very short in and of itself.
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