---
title: "Mewa kanadyjska"
description: "Chroicocephalus philadelphia — Ptaki. Bonaparte's gull (Chroicocephalus philadelphia) is a gull found mainly in northern North America."
canonical: https://animalchecklist.com/pl/animal/bonaparte-s-gull
last_updated: 2026-09-20
---

# Mewa kanadyjska

> Chroicocephalus philadelphia — Ptaki. Bonaparte's gull (Chroicocephalus philadelphia) is a gull found mainly in northern North America.

- Scientific name: *Chroicocephalus philadelphia*
- Category: `birds` (Ptaki)
- Habitats: unknown
- iNaturalist observations: 28006
- Wikidata: [Q629525](https://www.wikidata.org/wiki/Q629525)
- iNaturalist taxon: [144502](https://www.inaturalist.org/taxa/144502)

## Names

- en: Bonaparte's Gull
- de: Bonapartemöwe
- es: Gaviota de Bonaparte
- fr: Mouette de Bonaparte
- nl: Kleine kokmeeuw
- pt: Gaivota-de-bonaparte
- pl: Mewa kanadyjska

## Countries with the most observations

US (15749), CA (8823), MX (391), GB (65), PT (22), FR (19), BM (16), ES (13), NL (10), NI (7), CH (5), CR (5)

## Summary

Bonaparte's gull (Chroicocephalus philadelphia) is a gull found mainly in northern North America.  At 28 to 38 cm (11 to 15 in) in length, it is one of the smallest species of gull. Its plumage is mainly white with grey upperparts. During breeding season, Bonaparte's gull gains a slaty-black hood. The sexes are similar in appearance.

Text: Wikipedia (en), CC BY-SA 4.0 — https://en.wikipedia.org/wiki/Bonaparte%27s_gull

## Photo

![Mewa kanadyjska](https://animalchecklist.com/img/animals/bonaparte-s-gull/medium.jpg)

Photo: Ben · CC0 · inaturalist — https://www.inaturalist.org/observations/385078226

## Machine access

`GET https://animalchecklist.com/api/v1/animals/bonaparte-s-gull?lang=pl` — see [openapi.json](https://animalchecklist.com/openapi.json).