来自MSN4 个月
Blue Whale
The blue whale is found throughout the world’s oceans, except for the Arctic. It is thought to be the most enormous creature to have ever existed. It is the largest alive today. The blue whale ...
The long-term analysis of blue whale and fin whale vocalizations in ... as an ocean current transports comparatively warm water to the Arctic there, which in turn sparks high biological productivity.
With much of it covered in ice all year round and with no daylight from October to March, the Arctic Ocean is one of ... and slow moving Greenland right whale. The dead whales were towed into ...
Blue whale calves and births have seldom been documented ... are found in every ocean except the Arctic, according to the National Oceanic and Atmospheric Administration. Their populations ...
In fact, just two blue whale births have ever been documented — off South Africa in 1911, and off Sri Lanka in 1946. And sightings of calves are remarkably rare, falling far below what should be ...