---
title: "Poświerka czarnobrzucha"
description: "Calcarius ornatus — Ptaki. The chestnut-collared longspur (Calcarius ornatus) is a species of bird in the family Calcariidae."
canonical: https://animalchecklist.com/pl/animal/chestnut-collared-longspur
last_updated: 2026-09-20
---

# Poświerka czarnobrzucha

> Calcarius ornatus — Ptaki. The chestnut-collared longspur (Calcarius ornatus) is a species of bird in the family Calcariidae.

- Scientific name: *Calcarius ornatus*
- Category: `birds` (Ptaki)
- Habitats: `grassland` (Łąki i pola)
- iNaturalist observations: 1619
- Wikidata: [Q927367](https://www.wikidata.org/wiki/Q927367)
- iNaturalist taxon: [117153](https://www.inaturalist.org/taxa/117153)

## Names

- en: Chestnut-collared Longspur
- de: Gelbkehlspornammer
- es: Escribano collar castaño
- fr: Plectrophane à ventre noir
- nl: Roodhalsgors
- pt: Escrevedeira-de-peito-preto
- pl: Poświerka czarnobrzucha

## Countries with the most observations

US (1028), CA (390), MX (28)

## Summary

The chestnut-collared longspur (Calcarius ornatus) is a species of bird in the family Calcariidae. Like the other longspurs, it is a small ground-feeding bird that primarily eats seeds. It breeds in prairie habitats in Canada and the northern United States and winters to the south in the United States and Mexico.

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

## Photo

![Poświerka czarnobrzucha](https://animalchecklist.com/img/animals/chestnut-collared-longspur/medium.jpg)

Photo: ruthie123 · CC0 · inaturalist — https://www.inaturalist.org/observations/120011494

## Machine access

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