a ground hog like animal. the migration is it makes shadows of its-self
Becuase of some insects
Birds that migrate generally do so on a North-South axis. Many birds that live on the Asian continent migrate throughout Asia. It would be unlikely, or "accidental," for birds from, for example, North America, to migrate to Asia.
because it is to cold for them or to raise their chicks some were warm.
thousand and thousands
600 species
About 500 bird species live in or migrate through New Mexico. The exact number would vary depending on how many accidental (or once in a lifetime occurrence) birds one chooses to include in the total.
There are 2,900 bird species in South East Asia.
390 bird species have been reported in Singapore.See the Related Link.
About 430 species.
yes it is A wading bird is not necessarily a migratory bird. Many wading birds in sub tropical and tropical climates do not migrate. Those living in colder regions, where the surface water of lakes, ponds, and rivers may freeze in the winter, do migrate.
1108
In an ecosystem when a large number of species are dependent on one particular species of bird this makes the bird a keystone species. This bird has a disproportionate effect on the surround environment because so many others are dependent on it.