Birds › Cormorants and Shags
Double-crested Cormorant
Nannopterum auritum
29 photos
Study shows up to four per card, from different observers, so you learn the species rather than one picture. Heart the good ones and swap any you do not like.
Photos you add are credited to you, and you keep the copyright.
Easily confused with
Neotropic CormorantNannopterum brasilianum
Great CormorantPhalacrocorax carbo
AnhingaAnhinga anhinga
Brandt's CormorantUrile penicillatus
Pelagic CormorantUrile pelagicus
Great Blue HeronArdea herodias
Common LoonGavia immer
Canada GooseBranta canadensis
Study checks a spoken answer against these, and tells you which one you named.
Where it is recorded
| United States | 160,199 |
|---|---|
| Kentucky | 77,112 |
| California | 42,925 |
| Canada | 33,823 |
| Nunavut | 21,283 |
| New Mexico | 18,278 |
| Ontario | 14,592 |
| Texas | 12,839 |
| New York | 7,195 |
| Massachusetts | 6,960 |
Counts show where people looked, not only where it lives.
Traits
Group and habits
- Tree nestingListed by a harvested source as nesting in trees.BIRDBASE avian traits database
- Ground nestingListed by a harvested source as nesting on the ground.BIRDBASE avian traits database
- Fish eaterListed by a harvested source as primarily eating fish.BIRDBASE avian traits database
Classification
| Kingdom | Animals · Animalia |
|---|---|
| Phylum | Chordates · Chordata |
| Class | Birds · Aves |
| Order | Gannets, Cormorants, and Allies · Suliformes |
| Family | Cormorants and Shags · Phalacrocoracidae |
| Genus | American Cormorants · Nannopterum |
Study it in a deck
- Birds of British Columbia, Canada
- Birds of Centre Wellington, Ontario, Canada
- Birds of Ontario
- Birds of Oshawa, Ontario, Canada
- Birds of Pennsylvania (Alkas)
- Birds of Saskatoon, Saskatchewan, Canada
- Birds of Toronto, Ontario, Canada
- Birds of United States
Or build your own from the species near you.
Sources
- Names, taxonomy and observation counts: www.inaturalist.org
- Photos and recordings: the creator and source are on each one.
- Traits: BIRDBASE avian traits database (CC BY 4.0)
- How much to rely on each source
Remember the name next time.
Practise Double-crested Cormorant with real photos from different observers. Say the name out loud, and it comes back just before you would forget it.