south asian river dolphin facts
Special thanks to the following organizations for their education, research and conservation programs that provided information for this episode: Animal Diversity WebCincinnati Zoo and Botanical GardenColumbus Zoo and AquariumFort Wayne Children’s ZooNOAA FisheriesOregon ZooRed Panda NetworkSan Diego Zoo GlobalSeaWorld Animal Guide/Busch Gardens Tampa Smithsonian’s National ZooWorld Wildlife FundZoo AtlantaZoo Knoxville, For original wildlife artwork and more amazing animal facts visit:www.ArtByBreah.com. It is one of the National Symbols of India. In Asian elephants, these ridges are long and circular. As one of the longest rivers in South America, it plays a crucial role in supporting rich plant and animal life and growing communities. The government of India declared it the National Aquatic Animal in 2009. The Indus river dolphin has been named the National Mammal of Pakistan.
They mark their territory by using scent glands on their feet and anal glands as well as using urine and feces. WWF is emphasizing the need for integrated land use planning to ensure development occurs sustainably. Water development projects such as dams, canals, barrages and water diversion have degraded and diminished the quality and quantity of habitat fragmenting its already vulnerable population. They are threatened by poaching for their ivory and skin as well. Elephants are the only living members of the order Proboscidea. These species include various types of whales, dolphins, narwhals, etc. The Yangtze finless porpoise is known for its mischievous smile, and its intelligence level is on par with a gorilla. Unlike most other cetaceans, river dolphins have a distinct neck. The declaration was made in 2009 in the National Ganga River Basin Authority’s (NGRBA) first meeting. The babies of Dolphins are called calves and they are chocolate brownish when they are born and gradually the color changes to grey. Post was not sent - check your email addresses! Their unique side-swimming behavior also allows them to move in shallow water less than 12 inches/a foot deep. The females usually stay with their herds for their whole life, while males leave once they reach puberty between the ages of 8 and 13. Breeding occurs year round but it peaks from October to March, gestation lasts from 8 to 10 months. They are threatened by habitat loss, poaching and the pet trade. Red pandas are now classified as the only members of their own family – Ailuridae. Swimming through fresh waters in parts of South America and Asia is what one might consider an unexpected figure: the dolphin. The snout can reach 20% of the length of the body reaching a length of 8.3 inches (21 cm) on average. Calves are born weighing between 150-300 pounds and are very hairy – hairier than baby African elephants. Their dorsal skin color is grey brown while their ventral skin is lighter. Dolphins send pulse sounds or clicks which bounce back from objects in the form of echo giving them information about distance, shape, speed, material. They have sharp, semi-retractable claws and flexible ankles that can rotate backwards, allowing them to climb down head-first. Many accredited zoos around the world support the Red Panda Networks global efforts and also promote International Red Panda Day by hosting many special presentations and activities. They weigh 6,000-11,000 pounds or more and measure 7-10 feet at the back. Ganges river dolphins, Platanista gangetica gangetica, aka susus, measure 2.3-2.6 m in length with females typically larger than mal… They may become trapped in fishing nets and the construction of dams separates the dolphins from one another and their migration routes. Each year, 9,000 tons of pesticides and 6 million tons of fertilizers are used in the vicinity of the river. They concentrate in counter current pools in channel islands, river bends and convergent tributaries. Common Name: South Asian River Dolphin, Blind River Dolphin, Ganges Susu (Ganges River Dolphin subspecies), Bhulan (Indus River Dolphin subspecies). They consume a wide range of animals including fish, squid, crustaceans, shrimp, and octopus. Pollution in South Asia rivers have increased with industrialization. Featuring a bulging forehead and short beak, this gray animal will pop its head out of the water to breathe, followed by its back; the tail is rarely seen. The Tucuxi is the smaller, gray counterpart to the Amazon River dolphin. Washington, DC 20037. Their eyes lack lenses and are essentially blind; they may only be able to detect light. Shambhu Paudel noticed that the research on freshwater species in his home country of Nepal was extremely limited. Internation Union for the Conservation of Nature. Required fields are marked *, National Aquatic Animal of India - Interesting Facts about Gangetic River Dolphin for UPSC. The south Asian river dolphin is generally solitary but may sometimes be found in groups of 3-10 individuals. Males go through a period of heightened testosterone, aggression and unpredictable behavior known as “musth”. They are believed to have originated in the ancient Tethys Sea. They can be easily identified by their long snout, a particular characteristic of all river dolphins. The Ganges river dolphin is still hunted for meat and oil, which are both used medicinally. The river dolphins will use their long snout with a quick snapping action to grab their prey, similar to crocodiles. Their digestive system is more like other carnivores than herbivores and only about 24% of plant matter eaten is digested, so they spend a lot of time sleeping to conserve energy. South Asian River Dolphin Range Map (India, Bangladesh, Nepal & Pakistan) Dark Blue: Ganges River Dolphin Range Light Blue: Indus River Dolphin Range. The trunk is formed from the upper lip and nose and is estimated to contain more than 100,000 muscles and tendons.
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