During the past 40 years, however, nesting in these areas has substantially decreased, with many pairs of buzzards now nesting on trees in the Judean Foothills.
But to many Americans, they are buzzards, bottom feeders and flying rats that carry disease and eat disgusting things -- never mind their vital ecological service.
Long-term ornithologic studies conducted during 1979 2005 in Bulgaria, however, showed unambiguously that extensive autumn and spring migrations of common buzzards (as many as 42,100 birds) occur on the western Black Sea Via Pontica flyway (35, 38 ).
Forty million are released every year; and some estates have been complaining to Defra that buzzards are taking too many of them.
What has brought the contract into being is the request of a group of six shooting estates in Northumberland, who feel buzzards are taking too many poults.
Entirely beneficial species include vultures, elanine kites, kestrels and other small insectivorous falcons, most buzzards (Buteo and related species), and many small eagles.
Raptors are also interesting from the perspective of plumage colour polymorphism, which is found in many member genera including most Buteo hawk and buzzard species [ 9].
These include many birds of prey such as vultures, eagles, and buzzards, but also storks.
Wild animals, many protected by conservation laws, include the brown bear, eagles, buzzards, falcons, owls, cranes, swans, and storks.
