---
title: "Polniczek szary"
description: "Peucaea cassinii — Ptaki. Cassin's sparrow (Peucaea cassinii) is a medium-sized sparrow."
canonical: https://animalchecklist.com/pl/animal/cassin-s-sparrow
last_updated: 2026-09-20
---

# Polniczek szary

> Peucaea cassinii — Ptaki. Cassin's sparrow (Peucaea cassinii) is a medium-sized sparrow.

- Scientific name: *Peucaea cassinii*
- Category: `birds` (Ptaki)
- Habitats: `grassland` (Łąki i pola)
- iNaturalist observations: 2185
- Wikidata: [Q2229803](https://www.wikidata.org/wiki/Q2229803)
- iNaturalist taxon: [73175](https://www.inaturalist.org/taxa/73175)

## Names

- en: Cassin's Sparrow
- de: Cassinammer
- es: Zacatonero de Cassin
- fr: Bruant de Cassin
- nl: Cassins' gors
- pl: Polniczek szary

## Countries with the most observations

US (1559), MX (332)

## Summary

Cassin's sparrow (Peucaea cassinii) is a medium-sized sparrow.
This passerine bird's range is from western Nebraska to north-central Mexico.

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

## Photo

![Polniczek szary](https://animalchecklist.com/img/animals/cassin-s-sparrow/medium.jpg)

Photo: Claude Lyneis · CC0 · inaturalist — https://www.inaturalist.org/observations/203165951

## Machine access

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