swallow-tailed gull
E771628
The swallow-tailed gull is a nocturnal seabird of the Galápagos Islands, notable for its deeply forked tail and specialized night vision adapted for feeding on squid at sea.
Statements (45)
| Predicate | Object |
|---|---|
| instanceOf |
bird
ⓘ
gull ⓘ |
| activityPattern | nocturnal ⓘ |
| adaptation |
enhanced night vision for detecting prey at sea
ⓘ
nocturnal foraging to avoid competition with other seabirds ⓘ |
| billColor | black bill with white tip ⓘ |
| breedingPlumageFeature | black head ⓘ |
| breedsIn | Galápagos Islands NERFINISHED ⓘ |
| class | Aves NERFINISHED ⓘ |
| commonName | swallow-tailed gull NERFINISHED ⓘ |
| conservationStatus | Least Concern ⓘ |
| conservationStatusSystem | IUCN Red List NERFINISHED ⓘ |
| describedInYear | 1818 ⓘ |
| diet |
small fish
ⓘ
squid ⓘ |
| endemicTo | Galápagos Islands NERFINISHED ⓘ |
| eyeAdaptation | large eyes adapted for low light ⓘ |
| eyeRingColor | bright red ⓘ |
| family | Laridae NERFINISHED ⓘ |
| flightBehavior | strong flier over open ocean ⓘ |
| foragingStrategy | pelagic feeding at sea ⓘ |
| genus | Creagrus NERFINISHED ⓘ |
| geographicRange | eastern tropical Pacific Ocean NERFINISHED ⓘ |
| habitat |
marine environment
ⓘ
offshore waters ⓘ rocky cliffs ⓘ |
| kingdom | Animalia ⓘ |
| legColor | dark legs ⓘ |
| namedBy | Louis Jean Pierre Vieillot NERFINISHED ⓘ |
| nativeTo | Galápagos Islands NERFINISHED ⓘ |
| nestSite | rocky ledges ⓘ |
| nonBreedingPlumageFeature | white head with dark eye smudge ⓘ |
| nonBreedingRange | offshore waters of the eastern Pacific ⓘ |
| notableFeature |
deeply forked tail
ⓘ
specialized night vision ⓘ |
| order | Charadriiformes NERFINISHED ⓘ |
| parentTaxon | Creagrus furcatus NERFINISHED ⓘ |
| phylum | Chordata ⓘ |
| plumageColor |
gray upperparts
ⓘ
white underparts ⓘ |
| reproduction | lays a single egg per breeding attempt ⓘ |
| scientificName | Creagrus furcatus NERFINISHED ⓘ |
| socialBehavior | colonial nester ⓘ |
| taxonRank | species ⓘ |
| vocalizationContext | colonial breeding sites ⓘ |
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.