 The fieldfare has an extensive range , estimated at 10 million square kilometres ( 3 @.@ 8 million square miles ) , and a large population , including an estimated forty two to seventy two million individuals in Europe . There are thought to be up to twenty thousand individuals in Russia and the global population is estimated to be between forty four and ninety six million individuals . The population size appears to be stable and the bird is not believed to approach the <unk> for the population decline criteria of the IUCN Red List of Threatened Species ( i.e. , declining more than 30 % in ten years or three generations ) , and is therefore evaluated as being of " Least Concern " . 
