Birds › Gulls, Terns, and Skimmers
Slaty-backed Gull
Larus schistisagus
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
Western GullLarus occidentalis
Vega GullLarus vegae
Glaucous-winged GullLarus glaucescens
Black-tailed GullLarus crassirostris
Lesser Black-backed GullLarus fuscus
American Herring GullLarus smithsonianus
Ring-billed GullLarus delawarensis
Glaucous GullLarus hyperboreus
Study checks a spoken answer against these, and tells you which one you named.
Where it is recorded
| United States | 17,550 |
|---|---|
| Canada | 4,069 |
| Ontario | 2,647 |
| New York | 1,320 |
| Washington | 1,083 |
| Michigan | 952 |
| California | 652 |
| British Columbia | 517 |
| Oregon | 481 |
| Russia | 464 |
Counts show where people looked, not only where it lives.
Traits
Behavioral
- CarnivoreEats other animals or animal-derived prey as a major part of its diet.BIRDBASE avian traits database
Group and habits
- Ground nestingListed by a harvested source as nesting on the ground.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 | Large White-headed Gulls · Larus |
Study it in a deck
- Birds of British Columbia, Canada
- Birds of Ontario
- Birds of Pennsylvania (Alkas)
- 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 Slaty-backed Gull with real photos from different observers. Say the name out loud, and it comes back just before you would forget it.