Great cormorant silhouette on gray sky background. Black and white photo of a water bird flying on the cloudy sky. Great black cormorants (Phalacrocorax carbo are enemies of fishermen who are concerned that they catch too many fish from rivers, lakes, and ponds.
Great cormorant silhouette on gray sky background. Black and white photo of a water bird flying on the cloudy sky. Great black cormorants (Phalacrocorax carbo are enemies of fishermen who are concerned that they catch too many fish from rivers, lakes, and ponds.
