Tag Archives: WHALES
Whales in the desert?
In Cerro Colorado, located in the Ica Desert of Peru, sedimentary sequences dating back nine million years have been found to host the fossil skeletons of hundreds of marine vertebrates. In 2008, remains of a giant raptorial sperm whale, Livyatan … Continue reading
Fossils hold hidden clues on how whales ‘see’ with their ears
Sound is produced by Echovenator, which bounces off prey to create echoes. This illustration shows how these echoes are detected via conduction of vibrations through the mandible and received by the inner ear. Whales’ ultrasonic hearing has surprisingly ancient history, … Continue reading
Whales’ ultrasonic hearing has surprisingly ancient history, fossilized ear shows
All living toothed whales rely upon echoes of their own calls to navigate and hunt underwater, a skill that works best in conjunction with high-frequency hearing. Now, researchers who studied one of the best-preserved ears of any ancient whale ever … Continue reading
Declines in whales, fish, seabirds and large animals disrupt Earth’s nutrient cycle
In the past, whales, giant land mammals, and other animals played a vital role in keeping the planet fertile by transporting nutrients via their feces. However, massive declines and extinctions of many of these animals has deeply damaged this planetary … Continue reading
NAVIGATE WHALES IN COSTA RICA
M.V. Year X-Nr 520 of 10.04.2012 Specifically, tour operators that offer this type of activity in the country charge about 5 million US dollars, to which we must add the induced generated by restaurants, nights in hotels and souvenir purchases. … Continue reading