![]() Increasing boat traffic in the Amazon River also poses a problem, as the dolphins will approach out of curiosity and be injured, sometimes fatally, by propellers. Fatal levels of mercury have also contributed to their decreasing numbers. Loss of habitat due to the creation of dams, accidental drowning in fishing gear and intentional death at the hands of fishermen are all potentially devastating to the already declining population. The Amazon river dolphin is found in Bolivia, Brazil, Colombia, Ecuador, Peru, and Venezuela in the Amazon and Orinoco river basins. The Amazon river dolphin faces many human threats that jeopardize its survival. It is also the largest river dolphin species in the world. Fun FactĪmazon pink dolphins are considered the most intelligent dolphins with a brain capacity that is 40% larger than a human’s. Their IUCN status as of 2008 was Vulnerable, but reassessed as Data Deficient in 2012 due to limited information regarding their population trends. Experts believe almost 3,000 dolphins are killed each year. The Amazon river dolphin population is in the tens of thousands, but may be in rapid decline. They also rely on an internal sonar system to maneuver under water and find food due to their poor vision. Because their cervical vertebrae are not fused, they can move their head up to 180 degrees, which is helpful for hunting in shallow waters and floodplains. Adults acquire a pink color, more prominent in males, giving it its nickname 'pink river dolphin'. With low, ridge-like dorsal fins, long, skinny snouts, plump bodies, chubby cheeks and round, bulbous foreheads, botos have developed a unique look of their own. The Amazon river dolphin is the largest species of river dolphin, with adult males reaching 185 kilograms (408 lb) in weight, and 2.5 metres (8.2 ft) in length. Pink dolphins eat crabs, catfish, small river fish and even small turtles. Born grey, adult Amazon River dolphins turn pink or pinkish-grey as they mature, with males being both bigger and pinker than females. In human care, unfortunately, these dolphins do not live long, due to their difficulty adapting to captivity. In the wild, Amazon river dolphins live an average of 30 years. These forms of communication include the way the dolphins posture their bodies, clapping their jaws, blowing bubbles and caressing their fins with clicks and whistles. They communicate in a variety of ways, all nonverbal. If the area has a particularly large number of prey, however, groups of 10 to 15 can be found together. Shy and shrouded in mystery, Pink river dolphins live within the. Generally solitary creatures, they can be seen in pairs during mating season. Taking a trip to see pink river dolphins is a must for anyone who loves Amazon wildlife. It is not as sociable as the oceanic dolphins since it usually travels in groups of 2 or 3 individuals, mostly mothers with a calf. Its speed while swimming is only 1.5 to 3.2 kilometers per hour, but it has occasional bursts reaching up to 14 to 22 kilometers per hour. ![]() While they are mostly pink, Amazon river dolphins have various colored skins, which can be light gray, pink, or brown. Observations concluded that the Amazon River dolphin moves slowly.
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