---
title: "Cietrzew"
description: "Lyrurus tetrix — Ptaki. The black grouse (Lyrurus tetrix), also known as northern black grouse, Eurasian black grouse, blackgame or blackcock, is a large bird in the grouse tribe."
canonical: https://animalchecklist.com/pl/animal/black-grouse
last_updated: 2026-09-20
---

# Cietrzew

> Lyrurus tetrix — Ptaki. The black grouse (Lyrurus tetrix), also known as northern black grouse, Eurasian black grouse, blackgame or blackcock, is a large bird in the grouse tribe.

- Scientific name: *Lyrurus tetrix*
- Category: `birds` (Ptaki)
- Habitats: `forest` (Las), `grassland` (Łąki i pola)
- iNaturalist observations: 11303
- Wikidata: [Q155878](https://www.wikidata.org/wiki/Q155878)
- iNaturalist taxon: [1289697](https://www.inaturalist.org/taxa/1289697)

## Names

- en: Black Grouse
- de: Birkhuhn
- es: Gallo lira común
- fr: Tétras lyre
- it: Tetrao tetrix
- nl: Korhoen
- pt: Tetraz-lira
- pl: Cietrzew

## Countries with the most observations

RU (4522), IT (702), FI (463), GB (248), DE (172), SE (162), FR (158), AT (130), CH (122), NO (94), UA (59), BY (38)

## Summary

The black grouse (Lyrurus tetrix), also known as northern black grouse, Eurasian black grouse, blackgame or blackcock, is a large bird in the grouse tribe. It is a sedentary species, spanning across the Palearctic in moorland and steppe habitat when breeding, often near wooded areas. They will spend the winter perched in dense forests, feeding almost exclusively on the needles of conifers. The black grouse is one of two species of grouse in the genus Lyrurus, the other being the lesser-known Caucasian grouse.
The female is greyish-brown and has a cackling or warbling call. She takes all responsibility for nesting…

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

## Photo

![Cietrzew](https://animalchecklist.com/img/animals/black-grouse/medium.jpg)

Photo: Lars Schindler · CC0 · inaturalist — https://www.inaturalist.org/observations/348438728

## Machine access

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