It has long been known that birds are able to sense magnetic fields and use them to navigate,particularly when migrating south for the winter.Now researchers have found that the bird actually sees the magnetic
It would be natural to assume that birds fly south for the winter because they want to get away from the cold, but this isn't actually the case. Most birds do perfectly fine in cold weather. Even the diminutive hummingbird can take on snowy weather without an issue. The real reason bir...
To survive the European winter, the northern bald ibis(秃鹃) — which had once disappeared entirely from the wild on the continent - needs to migrate south for the winter, over the Alps, before the mountains become blocked. But shifting climate patterns have delayed when the birds begin to ...
Passage 4Winter is cold. People live in warm houses. What will animals do? Animals are 1_. They do many different, amazing things to get through the 2Some of them migrate. This 3 _ they travel to other places where the weather is warmer.Many birds migrate in autumn.Because the trip ...
When most people think of migration, they think of birds flying south to escape the cold winter. Many other animals migrate to breed, feed, stay warm, find water, and even fall asleep Animals follow paths that have been passed on for generations ensuring the survival of their species. 我来...
Typically birds fly to the far north in the summer to feed and return south for the winter to breed, but many variations and exceptions exist. The long-distance record holders are Sooty Shearwaters, which migrate 9,000 miles between nesting sites in the Falkland Islands and feeding sites in...
and it's one reason why this isn't a perfect theory.It does cost the whales energy to migrate, but it's easier for whales to save energy in warm water than it is to save energy in cold water, so there might still be, you know, a good reason to move south for the winter. OK?
different(difference) amazing things to get through the winter. Some of them“migrate(迁徙)”. This means they travel to other 2. places (place) where the weather is warmer or where they can find food.Many birds migrate in autumn. Because the trip can be 3. dangerous (danger), some ...
Animals are smart They do many1 different (difference) amazing things to get through the winter Some of them“migrate(迁徙)”This means they travel to other 2 places (place) where the weather is warmer or where they can find food Many birds migrate in autumn. Because the trip can be 3 ...
Many animals undergo seasonal migrations, escaping the cold regions far from the equator in the winter and moving to warmer climates in the temperate or subtropical regions. The annual migrations are remarkable not only for the number of animals that perform them but also for the distances they ...