Tootfinder

"Sperm whales change ‘vowel’ sounds when boats are nearby, scientists discover"
#Whales #Animals

Sperm whales change ‘vowel’ sounds when boats are nearby, scientists discover
Researchers listening off the Caribbean island of Dominica found variations in the mammals’ audible clicks when marine traffic was close

"Different sperm whale ‘dialects’ detected on separate sides of the Mediterranean"
#Mediterranean #Whales #Animals

Different sperm whale ‘dialects’ detected on separate sides of the Mediterranean
Matriarchal groups in east and west exhibit distinct click patterns, used to form social structures

"Sightings off Southern Africa suggest blue and fin whales may be rebounding"
#Africa #Whales #Animals

Sightings off Southern Africa suggest blue and fin whales may be rebounding
Sightings of blue whales and fin whales off Southern Africa’s Atlantic coast have increased in recent years, according to a newly published study. This could signal recovery of the marine mammals after being virtually eliminated from the area by commercial whaling in the 20th century, the study authors say. Scientists estimate around 350,000 Antarctic blue […]

"Supertrawlers Are Taking Antarctic Krill That Whales Depend On"
#Krill #Whales #Oceans

Supertrawlers Are Taking Antarctic Krill That Whales Depend On
In the icy waters of the Southern Ocean, whales and other marine mammals rely on krill to survive. But as the market for human dietary supplements and animal feeds booms, and climate change reduces krill populations, scientists worry there may not be enough to go around.

"A boat trip can emit the same carbon as an 186-mile road trip. So this captain made his whale-watching boat emission-free"
#Boats #Emissions #Whales

A boat trip has the same carbon cost as an 186-mile road trip. But this whale-watching boat is emission-free
Captain Dan Salas of Harbor Breeze Cruises has been working on the project for five years.