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A double-crested cormorant swimming in the water.

Double-Crested Cormorant

Double-crested cormorants (Nannopterum auritumare) are colonial waterbirds that seek aquatic bodies big enough to support their mostly fish diet. However, they may roost and form breeding colonies on smaller lagoons or ponds, and then fly up to 40 miles to a feeding area. Double-crested Cormorant populations have rebounded from persecution and pesticides over the past couple centuries, and today they are a widespread and abundant species.

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