Sea gull

Weight

385 g – 464 g

Length

Not recorded

Lifespan

24.6 years – 28.6 years

Diet

Aquatic predator

Main food

Not recorded

Habitat

marine

Egg incubation

29.3 days

Young per litter or clutch

1.5

Age at maturity

2.49 years – 3 years

Litters or clutches a year

1

Lifestyle

Aerial

Migration

Migratory

Conservation status

Not recorded

Countries on record

Not recorded

Not recorded

No conservation assessment is recorded for this species in our sources. That is not the same as being safe: it has not been matched to an assessment.

1. kingdomAnimalia
2. phylumChordata
3. classAves
4. orderCharadriiformes
5. familyLaridae
6. genusThalasseus
7. SpeciesThalasseus maximus (Boddaert, 1783)

Synonyms Sterna erythrorynchos, Sterna galericulata, Sterna maxima, Sterna maxima maxima, Thalasseus maxima, Thalasseus maxima maxima, Thalasseus maximus, Thalasseus maximus maximus

Catalogue of Life

LC, Least Concern

Sandwich tern

Thalasseus sandvicensis

Laridae

S

Swift tern

Thalasseus bergii

LaridaeNo free photo yet

L

Lesser crested tern

Thalasseus bengalensis

LaridaeNo free photo yet

C

Chinese crested tern

Thalasseus bernsteini

LaridaeNo free photo yet

E

Elegant tern

Thalasseus elegans

LaridaeNo free photo yet

C

Cabot's tern

Thalasseus acuflavidus

LaridaeNo free photo yet

CompareSea gull vs Sandwich ternSea gull vs Swift ternSea gull vs Lesser crested ternSea gull vs Chinese crested tern

• An amniote life-history database to perform comparative analyses with birds, mammals, and reptiles · CC0 1.0 · E096-269
  Myhrvold, N.P., Baldridge, E., Chan, B., Sivam, D., Freeman, D.L. & Ernest, S.K.M. (2015) An amniote life-history database to perform comparative analyses with birds, mammals, and reptiles. Ecology 96: 3109. https://doi.org/10.1890/15-0846R.1. Data: https://doi.org/10.6084/m9.figshare.3563457.v1
• AmphiBIO, a global database for amphibian ecological traits · CC BY 4.0 · v1
  Oliveira, B.F., São-Pedro, V.A., Santos-Barrera, G., Penone, C. & Costa, G.C. (2017) AmphiBIO, a global database for amphibian ecological traits. Scientific Data 4: 170123. https://doi.org/10.1038/sdata.2017.123. Data: https://doi.org/10.6084/m9.figshare.4644424.v5
• AVONET: morphological, ecological and geographical data for all birds · CC BY 4.0 · v7
  Tobias, J.A. et al. (2022) AVONET: morphological, ecological and geographical data for all birds. Ecology Letters 25: 581–597. https://doi.org/10.1111/ele.13898. Data: https://doi.org/10.6084/m9.figshare.16586228.v7
• Catalogue of Life eXtended Release · CC BY 4.0 · 2026-10-16 XR
  Catalogue of Life (2026). Catalogue of Life eXtended Release, version 2026-10-16 XR. Catalogue of Life Foundation, Amsterdam, Netherlands. https://doi.org/10.48580/dgzlf
• Wikimedia Commons · per file (CC0 / public domain / CC BY green, CC BY-SA amber, anything else not displayed) · 2026-11-11
  Wikimedia Commons contributors. Wikimedia Commons. https://commons.wikimedia.org (each file credited to its author under its own licence).
• EltonTraits 1.0: species-level foraging attributes of the world's birds and mammals · CC0 1.0 · 1.0
  Wilman, H., Belmaker, J., Simpson, J., de la Rosa, C., Rivadeneira, M.M. & Jetz, W. (2014) EltonTraits 1.0: Species-level foraging attributes of the world's birds and mammals. Ecology 95: 2027. https://doi.org/10.1890/13-1917.1. Data: https://doi.org/10.6084/m9.figshare.3559887.v1
• Wikidata · CC0 1.0 · 2026-11-11
  Wikidata contributors. Wikidata. https://www.wikidata.org (data retrieved via the Wikidata Query Service).
• Wikipedia (English) · CC BY-SA 4.0 · 2026-11-11
  Wikipedia contributors. Wikipedia, The Free Encyclopedia. https://en.wikipedia.org (text under CC BY-SA 4.0; each block names its article and revision).

@misc{sea_gull_2026,
  title = {Sea gull (Thalasseus maximus)},
  author = {{CreatureData}},
  year = {2026},
  url = {https://creaturedata.com/animals/sea-gull},
  note = {Data as of 2026-11-11}
}