---
title: "Puszczyk mszarny"
description: "Strix nebulosa — Ptaki. The great grey owl (Strix nebulosa) (also great gray owl in American English) is a true owl, and is the world's largest species of owl by length."
canonical: https://animalchecklist.com/pl/animal/great-gray-owl
last_updated: 2026-09-20
---

# Puszczyk mszarny

> Strix nebulosa — Ptaki. The great grey owl (Strix nebulosa) (also great gray owl in American English) is a true owl, and is the world's largest species of owl by length.

- Scientific name: *Strix nebulosa*
- Category: `birds` (Ptaki)
- Habitats: `forest` (Las)
- iNaturalist observations: 7512
- Wikidata: [Q200724](https://www.wikidata.org/wiki/Q200724)
- iNaturalist taxon: [19890](https://www.inaturalist.org/taxa/19890)

## Names

- en: Great Gray Owl
- de: Bartkauz
- es: Cárabo lapón
- fr: Chouette lapone
- nl: Laplanduil
- pt: Coruja-lapónica
- pl: Puszczyk mszarny

## Countries with the most observations

CA (2392), RU (1997), US (1914), FI (116), UA (88), SE (74), CN (28), BY (25), NO (21), PL (9)

## Summary

The great grey owl (Strix nebulosa) (also great gray owl in American English) is a true owl, and is the world's largest species of owl by length. It is distributed across the Northern Hemisphere and is the only species in the genus Strix found in both Eastern and Western Hemispheres.

Text: Wikipedia (en), CC BY-SA 4.0 — https://en.wikipedia.org/wiki/Great_grey_owl

## Photo

![Puszczyk mszarny](https://animalchecklist.com/img/animals/great-gray-owl/medium.jpg)

Photo: Braden J. Judson · CC0 · inaturalist — https://www.inaturalist.org/observations/121313121

## Machine access

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