Scientists studying Amazon river dolphins in Brazil have observed males spraying urine into the air, a ritual for communication.

Scientists suggest that the bristles on the dolphins' snouts help them 'decode' messages in other dolphins' urine.

A local resident carries an endangered female Indus River dolphin ... the rounded region on a dolphin's forehead, which is made of fatty tissue and plays a key role in echolocation, can be used ...

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Smaller fish species are more nutritious, lower in mercury and less susceptible to overfishing, a Cornell-led research team has found. The team's study was conducted in the Amazon River, but the ...

Marine mammal medics and vets helped recover the dolphin after it got trapped in a deep pool in a river bend A stranded dolphin has been rescued from a Cornish river after swimming about six miles ...

The Ganga River basin has an estimated population of 3,936 Gangetic dolphins (with a standard error of 763), an endangered species, while 2,510 dolphins were sighted ...

The Madeira River is the largest tributary flowing into the Amazon River and is home to many people living on the banks. These residents drink and eat fish from the river, so its water quality ...

The Las Vegas Raiders’ Brock Bowers was named the All-Pro tight end as a rookie this season, which is a good omen for the Miami Dolphins. Bowers was drafted 13th overall last year — the same ...

This area, known as the “Amazon of Europe”, is a prime example of how the second largest renewable electricity source, hydroelectric power, comes at a huge price – destroyed river ecosystems.