During the dry season they are found in main rivers. Length: About 6400 km (4000 miles) Source: Andes Mountains, Peru. Here are five interesting facts about them: Also known as botos, these beautiful animals grow up to 2.7 metres long and males are much larger than females. back to menu ↑ Dolphins Can Hear 10 Times above the Human Range of Hearing. Amazon River Facts. Amazon River Fact File Countries: Brazil, Colombia and Peru. Buy Facts About the Amazon River Dolphin (A Picture Book For Kids, Vol 166) by Lisa Strattin (ISBN: 9781537756486) from Amazon's Book Store. Amazon river dolphin facts also reveal that these dolphins do not have fused neck bones. Pink dolphins inhabit tropical freshwater lakes, ponds, rivers, streams and flooded forest. The pink river dolphins of the Amazon use sonar to locate their prey hiding in the river. Amazon River Dolphin Reproduction. In addition, the animal can be easily identified by having a ridge on its back instead of a dorsal fin. Males are ready for mating around 7 to 12 years old. Amazon river dolphins come in a wide range of colours, including white, blue-grey… After mating, it is approximately 11 months later when the calf will arrive. The Amazon River dolphin is the largest of the river dolphins. During the rainy season they are found in smaller rivers, channels and flooded areas in addition to main rivers. The Amazon river dolphin, also known as the pink river dolphin or boto, lives only in freshwater. Physical Features. Other River Amazon Facts The Amazon River is the second longest river in the world (after the Nile River) – although this is often debated – but it has the largest water-flow in […] This is another adaptation for life in the close quarters of the river, and allows the Amazon river dolphin to turn its head 90 degrees. Today I want to write about a really cool species of dolphin, the Amazon river dolphin. The female Amazon River Dolphins are able to mate around 6 to 10 years old. Learn about where the Amazon River is located, how long it is, the wildlife that it supports and more. The Amazon River dolphin, or, otherwise called Boto dolphin is one of the five river dolphins and is the most famous species of the group. Mouth: Atlantic Ocean. Enjoy our range of interesting facts about the Amazon River. It is found throughout much of the Amazon and Orinoco river basins in Bolivia, Brazil, Colombia, Ecuador, Guyana, Peru, and Venezuela. The body of this mammal is long and plump, whereas the fins remind paddles by their shape. Check out these fun Amazon River facts for kids. Everyday low prices and free delivery on eligible orders.