Animal migration has fascinated ... In other cases, the resources needed in different life stages may be found in different locations. For example, young salmon migrate to sea to take advantage ...
But the process is complex as well as various, and different ... round-trip by his animals was about 5 miles, though an earlier study detected Canadian rattlesnakes migrating as far as 33 miles.
The blue whale, with a heart the size of a car and tongue that weighs as much as an elephant, is the largest animal on Earth. Every summer, these giants migrate up to the Gulf of the St.
Many animals must travel great distances across land, air and sea to meet their ecological needs. This phenomenon is called migration ... over one in five are being threatened with extinction.
More than 40 years ago, many of the world's nations signed an agreement to protect the world's migrating ... these animals. Of the 1,189 species assessed, the researchers found one in five are ...