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#1294 · 🐦 birds

Neotropic Cormorant

🇳🇱 Bigua-aalscholver ·Nannopterum brasilianum

LCleast concern 🐦 Birds 📍 outside Europe
Neotropic Cormorant, photo 1 of 9
1/9 © Kala Murphy King · CC BY-NC-ND 4.0

what is it?

The neotropic cormorant or olivaceous cormorant ( Nannopterum brasilianum ) is a medium-sized cormorant found throughout the American tropics and subtropics, from the middle Rio Grande and the Gulf and Californian coasts of the United States south through Mexico and Central America to southern South America, where it is called by the Indian name of biguá . It also breeds on the Bahamas, Cuba and Trinidad. It can be found both at coasts (including some mangrove areas) and on...

base stats

  • NL sightings 0iNaturalist, research grade
  • worldwide 70,853iNaturalist observations
  • weight 42 gadult, up to
  • threat LCleast concern

Bars compare against all animals on log scales: up to 300,000 Dutch and 600,000 worldwide sightings (the most-seen species), 150 t (blue whale), 30 m and 400 years (Greenland shark).

fun facts

  • No confirmed wild sightings in the Netherlands on iNaturalist: you'd have to travel for this one.
  • 70,853 observations worldwide on iNaturalist.
  • Weighs only about 42 g.
  • Scientifically named by Johann Friedrich Gmelin in 1789 (237 years ago).

fact sheet

English
Neotropic Cormorant
Nederlands
Bigua-aalscholver
scientific name
Nannopterum brasilianum
class
Aves
order
Suliformes
family
Phalacrocoracidae
IUCN Red List
LC · least concern
sightings in NL
0
sightings worldwide
70,853
weight
42 g
length
—
lifespan
—
named
1789 by Johann Friedrich Gmelin

IUCN in Dutch: niet bedreigd. Blank means the sources don't say.

relatives· Phalacrocoracidae

Sources: iNaturalist taxon 1289601, Wikidata Q117254632, Wikipedia (EN), Wikipedia (NL). Intro text from Wikipedia (CC BY-SA 4.0).Updated 2026-10-24.

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