Mothers of some species fast and nurse their young for a relatively long period of
time. .... Other dolphin hybrids live in captivity around the world or have been ...
Jun 5, 2010 ... After all, they've had a long time to figure out how to live well and prosper. ...
Modern humans have barely been around for 100,000 years, and ...
“Dolphins have been interacting with humans for as long as we have known of
their ... Dolphins have very good vision, and they are able to see what is around ...
Evolutionary biologists believe that dolphins emerged 20 to 25 million years ago
during the early Miocene period. Modern species may trace to kentriodontids, ...
Evolution of dolphins and whales. ... Around 50 million years ago, certain four
legged land creatures started ... dwelling form are the Durudon and the 60 foot/18
metre long Basilosaurus. ... Kentriodontines ate small fish and other organisms;
they are thought to have been active echolocators, and might have formed
Jun 1, 2010 ... Cetaceans (which include whales, as well as dolphins and porpoises) are the ...
One explanation for whale diversity is simply that they have been ... have ever
existed, the blue whale, which is more than 100 feet long, to small ...
Dolphins can vary greatly in terms of their size and can range from 4 ft. long (
Maui's ... In fact some species of dolphin have been known to swim as deep as
1000 ft, ... fish involves a group of dolphins swimming around a pool of fish in a
How long can dolphins go without being in water? Dolphins and whales out of
water have two problems: heat and their own weight. Large animals have low ....
When did dolphins appear on Earth, what are its ancestors? All dolphins and ...
There are 41 different species of dolphins that have been identified. ... The
longest lengths are up to 30 feet and the smallest ones are 4 feet long. ... There
are some studies that indicate they may taste the water around them to pick up on
Aug 8, 2007 ... The Yangtze River dolphin is driven to extinction by humans. ... The Yangtze
River dolphin or baiji (Lipotes vexillifer) of China has long been recognized ... "It's
been here longer than the Andes Mountains have been on Earth.