What is the Difference Between Cormorant and Anhinga?

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The main differences between cormorants and anhingas are:

  1. Bill shape: Anhingas have a sharp, pointed bill, while cormorants have a curved, hooked bill that often turns downward.
  2. Neck length: Anhingas have a longer neck than cormorants.
  3. Tail length: Anhingas have a longer tail than cormorants.
  4. Swimming behavior: Anhingas swim slowly with their head poking out of the water, while cormorants are more powerful swimmers and often dive underwater from the surface.
  5. Flight capabilities: Anhingas can soar through the sky using a flapping motion, whereas cormorants do not soar as well.
  6. Body shape: Anhingas have a more compact body than cormorants.
  7. Markings: Anhingas have white markings on their backs, while cormorants do not.
  8. Eye color: Anhingas have blue or blue-green eyes, while cormorants have crystal blue eyes.
  9. Nesting colonies: Anhingas nest in small colonies, often with herons or egrets, while cormorants nest in large colonies.

Both birds have long, snake-like necks, like to perch along the shores of bodies of water, and primarily feed on fish by hunting underwater.

Comparative Table: Cormorant vs Anhinga

Here is a table comparing the differences between cormorants and anhingas:

Feature Anhinga Cormorant
Bill Sharp, pointed bill Curved, downward-pointing bill
Crest Usually golden-toned Black with white tips
Tail Longer than cormorant Shorter than anhinga
Neck Longer than cormorant Shorter than anhinga
Diet Freshwater fish and aquatic prey Coastal waters fish and prey
Habitat Freshwater areas Coastal waters
Flight Soars with flapping motion Unable to soar, continuous flapping
Lifespan Average 12 years (wild) Average 25 years (wild)

Anhingas and cormorants are both large, black, water-dwelling birds that feed on fish and hunt beneath the water's surface. However, they have distinct differences in their bills, crests, tails, necks, diets, habitats, and flight capabilities.