The threats to seabirds were; being killed for meat, eggs and feathers. Today, modification of breeding habitats, oil spills and introduced feral animals are among the threats that can impact considerably on seabird populations. More recently, the global expansion of longline fisheries has begun to pose the greatest overall threat to seabirds.
Habitat loss and degradation are threats African birds have to deal with.
Air pollution and human activities are the threats birds have to deal with in America.
The majority of Asian birds lives in forrests. These forrests are threatened by conversion to other land-uses and overexploitation. Therefor the birds are threatened by the same dangers.
Carrabean birds are threatened by erosion of pristine habitats and illegal trade of the birds.
Hunting and economic development are the majority of the causes that lead to death of birds in Europe.
On the pacific, habitat destruction and 'invasive alien species' are the larges threats.
Birds News -- ScienceDaily
News about airborne animal species
Can bird feeders do more harm than good?
- Many bird lovers put out feeders full of seed for their feathered friends -- but those feeders may also attract predators that eat eggs and nestlings. The researchers behind a new study tried to untangle these relationships through a four-year study of songbird nests, bird feeders, and predators in urban central Ohio.