How many Amazon river dolphins are left?
five
There are however only five existing species of river dolphins left in the world today and they are all endangered or critically endangered.
Are there dolphins in the Amazon river?
The Amazon river dolphin, also known as the pink river dolphin or boto, lives only in freshwater. It is found throughout much of the Amazon and Orinoco river basins in Bolivia, Brazil, Colombia, Ecuador, Guyana, Peru, and Venezuela.
Why is Amazon river dolphin pink?
The coloring is believed to be scar tissue from rough games or fighting over conquests. The brighter the pink, the more attractive the males are to females—at least during mating season, which takes place when the water has receded and males and females are confined to the river channel again.
What is special about the Amazon River dolphin?
The Amazon pink river dolphin has the largest bodies and brains of any freshwater dolphin. The Amazon pink river dolphin is the largest and smartest out of the five freshwater species. They also have unusually large brains, with 40 percent more brain capacity than humans!
What are the Amazon river dolphins predators?
Amazon River Dolphin Predators and Threats Animals that prey on the river dolphin include large snakes, jaguars and caimans. However, once the species has passed adolescence they have few natural predators.
Is the Amazon River dolphin extinct?
Not extinct
Amazon river dolphin/Extinction status
Are Amazon pink dolphins blind?
Adult males tend to turn the pinkest color. Mythology around the pink dolphin sometimes suggests that they are blind. While the Amazon pink dolphin has rather small round eyes, they do have very good eyesight.
Are there piranha in the Amazon river?
Piranhas range from northern Argentina to Colombia, but they are most diverse in the Amazon River, where 20 different species are found. The most infamous is the red-bellied piranha (Pygocentrus nattereri), with the strongest jaws and sharpest teeth of all.
Do dolphins lay eggs?
Like every mammal, dolphins are warm blooded. Other characteristics of dolphins that make them mammals rather than fish are that they give birth to live young rather than laying eggs and they feed their young with milk. Also, like all mammals, dolphins even have a tiny amount of hair, right around the blowhole.
What kind of dolphins live in the Amazon River?
The Amazon river dolphins (Inia geoffrensis) are known as Boto, Bouto, or pink Amazon river dolphins, and are closely related to the newly discovered Araguaian river dolphin and nearby Bolivian river dolphins of the Amazon.
Who are Amazon river dolphin’s predators?
Despite being large in size, Amazon river dolphins have couple of natural enemies. Main predators of Amazon river dolphins are caimans, large snakes and jaguars. Unlike other dolphin species, Amazon river dolphins are solitary during the most part of the year. Males and females live together when they are taking care of the offspring.
What is the Diet of the Amazon river dolphin?
The amazon river dolphin often feeds on fish which is 20 cm (range 5 – 80 cm). The boto’s diet includes catfish, crustaceans, piranha, small turtles, shrimps, and crabs. In captivity botos also share their food with their fellow members. The amazon river dolphin eats 2.5% of their body weight each day.
What is causing the Amazon river dolphin to be endangered?
Answer: Pink river dolphins live in the main rivers of the Amazon River and the Orinoco river in South America. They are endangered because of the increase in population in the basins of these two rivers, increasing the pollution, the river traffic and therefore the accidental killing. Also, the construction of dams and…