Robuta

https://digitalcommons.unl.edu/usfwspubs/323/ "Final Environment Impact Statement: Double-crested Cormorant Managemen" by Shauna Hanisch and... Populations of Double-crested Cormorants have been increasing rapidly in many parts of the U.S. since the mid-1970s. This abundance has led to increased... environment impact statementfinaldoublecrestedcormorant