---
title: "Rusałka wierzbowiec"
description: "Nymphalis polychloros — Owady i pająki. The large tortoiseshell or blackleg tortoiseshell (Nymphalis polychloros) is a butterfly of the family Nymphalidae."
canonical: https://animalchecklist.com/pl/animal/large-tortoiseshell
last_updated: 2026-09-20
---

# Rusałka wierzbowiec

> Nymphalis polychloros — Owady i pająki. The large tortoiseshell or blackleg tortoiseshell (Nymphalis polychloros) is a butterfly of the family Nymphalidae.

- Scientific name: *Nymphalis polychloros*
- Category: `insects` (Owady i pająki)
- Habitats: `forest` (Las)
- iNaturalist observations: 11711
- Wikidata: [Q163771](https://www.wikidata.org/wiki/Q163771)
- iNaturalist taxon: [324088](https://www.inaturalist.org/taxa/324088)

## Names

- en: Large Tortoiseshell
- de: Großer Fuchs
- es: Olmera
- fr: Grande tortue
- nl: Grote vos
- pl: Rusałka wierzbowiec

## Countries with the most observations

FR (2723), IT (1631), DE (1548), ES (1273), AT (619), PT (415), HU (342), CZ (253), GR (215), CH (202), HR (191), LU (163)

## Summary

The large tortoiseshell or blackleg tortoiseshell (Nymphalis polychloros) is a butterfly of the family Nymphalidae.

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

## Photo

![Rusałka wierzbowiec](https://animalchecklist.com/img/animals/large-tortoiseshell/medium.jpg)

Photo: Patrick Le Mao · CC0 · inaturalist — https://www.inaturalist.org/observations/202311421

## Machine access

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