Youth Section
Venir avec mon école à la ferme
Young people's space
F.A.Q.
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Are there really whales in the Mediterranean? Of course: sperm whales and fin whales are frequently observed. The best time to see them is in summer, when the sea is rich in plankton, which attracts fish and whales. NB: the fin whale is a baleen whale, which feeds on plankton, while the sperm whale is a toothed whale, which hunts for fish and squid. Why does the killer whale’s dorsal fin droop in the tank ? The dorsal fin of bull killer whales grows until the animal reaches puberty. In the wild, the dorsal fin of roving killer whales remains erect because it is supported by the water during very frequent diving. In parks, killer whales spend much more time near the surface, with their dorsal fin outside the water, because they watch people, socialise, feed and play with their keepers. Their interest is entirely directed to the surface. All that time spent at the surface combined with the law of gravity results in the fin bending under its own weight. In large specimens, the dorsal fin can exceed 1.50m (5ft) in height, and there is no muscle support. Can killer whales raise their dorsal fin? No, since it contains no muscle and is made up of collagen, a tissue similar to the cartilage in our ears and noses. What is a species? For animals to be grouped within a single species, they need not have the same appearance. More important than their looks, what makes the difference is the possibility of their reproducing with each other.
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