---
title: "Trzciniak"
description: "Acrocephalus arundinaceus — Ptaki. The great reed warbler (Acrocephalus arundinaceus) is an insectivorous bird in the family Acrocephalidae."
canonical: https://animalchecklist.com/pl/animal/great-reed-warbler
last_updated: 2026-09-20
---

# Trzciniak

> Acrocephalus arundinaceus — Ptaki. The great reed warbler (Acrocephalus arundinaceus) is an insectivorous bird in the family Acrocephalidae.

- Scientific name: *Acrocephalus arundinaceus*
- Category: `birds` (Ptaki)
- Habitats: `freshwater` (Jeziora i rzeki)
- iNaturalist observations: 11006
- Wikidata: [Q180835](https://www.wikidata.org/wiki/Q180835)
- iNaturalist taxon: [204456](https://www.inaturalist.org/taxa/204456)

## Names

- en: Great Reed Warbler
- de: Drosselrohrsänger
- es: Carricero Tordal
- fr: Rousserolle turdoïde
- nl: Grote karekiet
- pt: Rouxinol-grande-dos-caniços
- pl: Trzciniak

## Countries with the most observations

RU (2360), DE (962), UA (780), PL (571), IT (543), FR (542), ES (528), AT (375), RO (288), GR (259), CZ (228), CH (183)

## Summary

The great reed warbler (Acrocephalus arundinaceus) is an insectivorous bird in the family Acrocephalidae. It is a medium-sized passerine bird and the largest of the warblers. It breeds throughout mainland Europe and the Western Palearctic and migrates to sub-Saharan Africa in the winter. It favours reed beds during the breeding season, while living in reed beds, bush thickets, rice fields, and forest clearings during the winter. It exhibits relatively low sexual dimorphism, and the sexes are similar in appearance. This species mates both polygynously and monogamously.

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

## Photo

![Trzciniak](https://animalchecklist.com/img/animals/great-reed-warbler/medium.jpg)

Photo: Liubov Ilminska · CC0 · inaturalist — https://www.inaturalist.org/observations/117274945

## Machine access

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