---
title: "Medium Ground-Finch"
description: "Geospiza fortis — Aves. The medium ground finch (Geospiza fortis) is a species of bird in the family Thraupidae."
canonical: https://animalchecklist.com/pt/animal/medium-ground-finch
last_updated: 2026-09-20
---

# Medium Ground-Finch

> Geospiza fortis — Aves. The medium ground finch (Geospiza fortis) is a species of bird in the family Thraupidae.

- Scientific name: *Geospiza fortis*
- Category: `birds` (Aves)
- Habitats: unknown
- iNaturalist observations: 2265
- Wikidata: [Q762307](https://www.wikidata.org/wiki/Q762307)
- iNaturalist taxon: [9479](https://www.inaturalist.org/taxa/9479)

## Names

- en: Medium Ground-Finch
- de: Mittel-Grundfink
- es: Pinzón mediano de tierra
- fr: Géospize à bec moyen
- nl: Middelste grondvink
- pl: Darwinka czarna

## Countries with the most observations

EC (1175)

## Summary

The medium ground finch (Geospiza fortis) is a species of bird in the family Thraupidae. It is endemic to the Galápagos Islands. Its primary natural habitat is tropical shrubland. One of Darwin's finches, the species was the first which scientists have observed evolving in real-time.
Many studies and research have been conducted on medium ground finches: there are the most famous studies conducted by Charles Darwin and more recent studies conducted in relation to the changes revolving around the medium ground finches due to natural selection. Due to an increase in urbanization on the Galápagos Islands, droughts and…

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

## Photo

![Medium Ground-Finch](https://animalchecklist.com/img/animals/medium-ground-finch/medium.jpg)

Photo: Zygy · CC0 · inaturalist — https://www.inaturalist.org/observations/37146436

## Machine access

`GET https://animalchecklist.com/api/v1/animals/medium-ground-finch?lang=pt` — see [openapi.json](https://animalchecklist.com/openapi.json).