 The red @-@ billed chough has an extensive range , estimated at 10 million square kilometres ( 3 @.@ 8 million sq mi ) , and a large population , including an estimated 86 @,@ 000 to 210 @,@ 000 individuals in Europe . Over its range as a whole , the species is not believed to approach the thresholds for the global population decline criterion of the IUCN Red List ( i.e. , declining more than 30 % in ten years or three generations ) , and is therefore evaluated as least concern . 
