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Hourglass Dolphin

 Hourglass Dolphin Research Paper

Name: Hourglass Dolphin

Area: They reside in the Antarctic but they go as far as New Zealand. Description: The hourglass dolphin is quite easily identified by its unique white-colored " hourglass" marking against a largely black human body. Its bottom is also white, though both equally sides of the fluke are dark. The two white colored patches that make up the hourglass shape are usually connected by simply points or at least a thin white colored line, though in some persons the two white patches do not touch. The dorsal termin is easily distinctive and concave, though in a few individuals it might be sharply connected backwards. Chest flippers can also have a definite " elbow" and curve back dramatically on their leading edge.

Diet & Behaviour: Belly contents of stranded hourglass dolphins have got revealed that they will feed on small fish, crustaceans, and squid. Usually found in groups of 7-10, these dolphins are not in any way shy when ever encountered and sometimes bow trip, even approaching slower going vessels. Sometimes they'll " spin " while driving the waves. When they bow ride, they will swim extended range low leaps and may appear like a porpoising penguin. They could also create a " rooster tail" of spray once surfacing to breathe by high rates of speed.

Habitat: The hourglass dolphins is found through the entire cold wide open waters of the Southern Water between 43В°-67В°S and are generally distributed through their range. They're present in waters varying between -0. 3-7В°C, although they prefer cooler surface conditions and are most commonly found in marine environments between zero. 1-0. 3В°C. The warmest recorded area temperature associated with this kinds was 13. 4В°C. It really is thought that the hourglass dolphin follows cold-water currents like the West Breeze Drift. In the summer months they can be more common in cooler southern waters and winter they look to move further more north. The farthest north sighting of the hourglass dolphin was around Chile 33В°40'S.

Place in foodstuff chain:

Life Expectancy: Since the hourglass dolphins hardly ever seen...

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