Amazon River Dolphin Life Cycle Amazon river dolphins get matured two or three years after their birth. They come in all shades of pink, from a dull gray-pink, to rosy colored pink, to a bright pink like that of the flamingo. *Warning there is some adult language and commentary. They are also found in the lakes, the largest tributaries of the rivers, and seasonally in the flooded rainforests. Because of insufficient data, the IUCN 3.1 has categorized it under their ‘Data Deficient’ list. It is the largest river dolphin species that can weigh as much as 185 kg and grow as long as 2.5 m. These dolphins are noted for the pink color of adults which is more prominent in males. Most births occur during the summer time between July – September. There are a few species, however, like the South Asian river dolphin and the Amazon river dolphin, or boto, that live in freshwater streams and rivers. Likewise, the largest river dolphin, the Amazon river dolphin, can grow to about 9 feet (2.8 meters) and 350 pounds (160 kilograms). Quite the charmers, male botos sometimes try and win over females by pulling some particularly alluring techniques out of the bag. The length of time depends on the species. The Amazon and Orinoco basins are home to the highest diversity of river dolphins on the planet (Mosquera-Guerra et al. Life Cycle: The gestation period of the Amazon River Dolphin generally lasts 8-9 months, and it is rare for a female to have more than one child at a time. Your email address will not be published. It is a relatively abundant freshwater cetacean with an estimated population in the tens of thousands. The dolphin is born, eats and grows up, reproduces, and dies all in about 50 years. Baby dolphins are born in the main river of South America and Orinoco. They come in all shades of pink, from a dull gray-pink, to rosy colored pink, to a bright pink like that of the flamingo. It is a very distant relative to the sea dolphin, and has a pink to pinkish-grey pigmentation on their bodies, which is one of their primary characteristics, giving them a very unique appearance (and hence their name). Retrouvez Amazon River Dolphin: Dolphin, River dolphin, Tocantins River, Bolivian River Dolphin, Orinoco, Tucuxi, International Union for Conservation of Nature et des millions de livres en stock sur Amazon.fr. The babirusa (Babyrousa babyrussa) is a bizarre-looking pig from Indonesia. There is a flow of blood. … Usually seen roaming alone, or in pairs during the mating season, these dolphins would hover in groups of 10 to 15 when there is an abundance of prey. There are about 43 different types of dolphins. It is a kind of mammal which lives on water. Current IUCN Conservation Status for Amazon River Dolphins Conservation Evidence NOAA Life The Amazon River Dolphin is already separated into eight groups by dams on the Tocantins River, and this could increase to twelve if all those planned go ahead. The sun's rays cause the dolphins to lose their pink pigmentation. pink dolphin: Pink Dolphin home; Life Cycle; Habitat; Food Chain; Dangers ; Appearance ; Fun Facts; video page Food Chain The pink dolphin food chain is simple. What is a Babirusa? However, some river dolphins have not done well in captivity, so a longer lifespan is certainly not guaranteed this way. Statistics of The Amazon For example, bottlenose dolphins reach an average length of 8–10 feet (2.5–3 meters) and weight of 300–650 pounds (135–300 kilograms). The Amazon river dolphin, also known as the pink river dolphin or boto, lives only in freshwater. Don’t ever make eye contact with a boto. Subspecies of The Amazon River Dolphin None. The Inia geoffrensis is endemic to the Amazon River basin where its three subspecies are found. It is only found in tributaries of the Amazon River as well as the Orinoco River. The Boto is the only river dolphin that is kept in captivity, mostly in the USA, Venezuela and Europe. However, the rate of mortality is high amongst the captive specimens. This aquatic creature may only be found in freshwater environments, and it is different from the marine pink dolphin. An Amazon river dolphin as depicted in the scientific text, Brehm’s Animal Life, circa 1860s when the animals were still plentiful throughout their range. Adult males reach a maximum length and weight of 2.55 metres (8.4 ft) (average 2.32 metres (7.6 ft)) and 185 kilograms (408 lb) (average 154 kilograms (340 lb)), while females reach a length and weight of 2.15 metres (7.1 ft) (mean 2 metres (6.6 ft)) and 150 kilograms (330 lb) (average 100 kilograms (220 lb)). Amazing Facts About the Amazon River Dolphin. The average gestation period (the period from conception to birth) for amazon river dolphins is about 9 months. One of the smaller dolphins, Hector’s dolphin, reaches about 4 feet (1.2 meters) long and weighs about 110 pounds (50 kilograms). Male Amazon river dolphins reach sexual maturity at about 2 m, females at about 1.7 m. Calves are born between July and September following a 9-12 month gestation period. Male dolphins have two main strategies to mating. * Now that moratorium has lapsed, and Brazil’s Bolsonaro administration has failed to take steps to restore the piracatinga ban. Dolphins are born tail first and pushed the rest of the way to surface by the mother or another m… They are also commonly found in the streams and main rivers of the Orinoco river systems; the upper Madeira river in South America and Pearl river of Hong Kong. The pink dolphins are known to prey upon the piranhas, the legendary terror of the Amazon. 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