Amazon River dolphins are pink due to their diet rich in carotenoids, which are found in the fish and crustaceans they consume.
!["En Tại sao cá heo sông Amazon có màu hồng? - Ảnh 1.](https://tintucnghesi.com/wp-content/uploads/2024/03/photo-5-1692663743876193505228.jpg)
Amazon River dolphins have robust bodies with long snouts and sharp teeth at the front.
!["En Tại sao cá heo sông Amazon có màu hồng? - Ảnh 2.](https://tintucnghesi.com/wp-content/uploads/2024/03/photo-4-16926637430611093806273.jpg)
Its prominent “melon” houses the echolocation system.
!["En Tại sao cá heo sông Amazon có màu hồng? - Ảnh 4.](https://tintucnghesi.com/wp-content/uploads/2024/03/photo-3-1692663742291237320587.jpg)
Unlike other dolphins, the cervical vertebrae of Amazon River dolphins are not fused, allowing them to turn their heads more flexibly.
!["En Tại sao cá heo sông Amazon có màu hồng? - Ảnh 5.](https://tintucnghesi.com/wp-content/uploads/2024/03/photo-2-16926637410231015732291.jpg)
They have wide fins adapted for navigation in rivers, although they are not as fast as marine dolphins.
!["En Tại sao cá heo sông Amazon có màu hồng? - Ảnh 7.](https://tintucnghesi.com/wp-content/uploads/2024/03/photo-1-16926637400072049485787.jpg)
Their flexible diet includes a variety of freshwater fish, crustaceans and mollusks.
os delfines del río Amazonas están amenazados por la degradación del hábitat y la contaminación, lo que requiere esfuerzos urgentes de conservación para proteger su supervivencia.