Birds › Gulls, Terns, and Skimmers
Swallow-tailed Gull
Creagrus furcatus
28 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
Lava GullLeucophaeus fuliginosus
Franklin's GullLeucophaeus pipixcan
Sabine's GullXema sabiniStudy checks a spoken answer against these, and tells you which one you named.
Where it is recorded
| United States | 767 |
|---|---|
| Ecuador | 617 |
| Galápagos | 617 |
| Washington | 521 |
| California | 246 |
| Peru | 4 |
| Piura | 2 |
| Municipalidad Metropolitana de Lima | 2 |
Counts show where people looked, not only where it lives.
Traits
Group and habits
- Invertebrate eaterListed by a harvested source as primarily eating invertebrates.BIRDBASE avian traits database
- Rock nestingListed by a harvested source as nesting on rocks or cliffs.BIRDBASE avian traits database
- Ground nestingListed by a harvested source as nesting on the ground.BIRDBASE avian traits database
- Scrape nestingListed by a harvested source as nesting in scrapes.BIRDBASE avian traits database
Classification
| Kingdom | Animals · Animalia |
|---|---|
| Phylum | Chordates · Chordata |
| Class | Birds · Aves |
| Order | Shorebirds and Allies · Charadriiformes |
| Family | Gulls, Terns, and Skimmers · Laridae |
| Genus | Creagrus |
Study it in a deck
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 Swallow-tailed Gull with real photos from different observers. Say the name out loud, and it comes back just before you would forget it.