a ground hog like animal. the migration is it makes shadows of its-self
Becuase of some insects
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.
About 430 species.
390 bird species have been reported in Singapore.See the Related Link.
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.
About 40000 but there are many different authorities defining what exactly is a species of bird. According to Chris Packham's Nature Handbook, there are 10,000 known bird species on the planet.