Animalia > Chordata > Aves > Passeriformes > Thraupidae > Geospiza > Geospiza fortis

Geospiza fortis (Medium Ground Finch)

Wikipedia Abstract

The medium ground finch (Geospiza fortis) is a species of bird in the family Thraupidae. It is endemic to the Galapagos Islands. Its natural habitats are subtropical or tropical dry forests and subtropical or tropical dry shrubland. One of Darwin's finches, the species was the first which scientists have observed evolving in real-time.
View Wikipedia Record: Geospiza fortis

EDGE Analysis

Uniqueness Scale: Similiar (0) 
2
 Unique (100)
Uniqueness & Vulnerability Scale: Similiar & Secure (0) 
15
 Unique & Vulnerable (100)
ED Score: 4.63162
EDGE Score: 1.7284
Learn more at EDGE of Existence programme

Attributes

Adult Weight [1]  24 grams
Male Weight [3]  18 grams
Forages - Mid-High [2]  30 %
Forages - Ground [2]  70 %
Female Maturity [3]  1 year
Clutch Size [4]  4
Incubation [4]  12 days

Ecoregions

Name Countries Ecozone Biome Species Report Climate Land
Use
Galápagos Islands scrubland mosaic Ecuador Neotropic Deserts and Xeric Shrublands

Protected Areas

Name IUCN Category Area acres Location Species Website Climate Land Use
Archipelago de Colon Biosphere Reserve 34336011 Galapagos Islands, Ecuador  

Important Bird Areas

Biodiversity Hotspots

Name Location Endemic Species Website
Tumbes-Choco-Magdalena Colombia, Ecuador, Panama, Peru Yes

Prey / Diet

Prey / Diet Overlap

Competing SpeciesCommon Prey Count
Geospiza conirostris (Large Cactus Finch)4
Geospiza fuliginosa (Small Ground Finch)11
Geospiza magnirostris (Large Ground Finch)3
Geospiza scandens (Common Cactus Finch)12
Zenaida galapagoensis (Galapagos Dove)3

Range Map

External References

Citations

Attributes / relations provided by
♦ 1Bowman, R. I. 1961. Morphological differentiation and adaptation in the Galapagos finches. University of California Publications in Zoology 58:1– 302.
♦ 2Hamish Wilman, Jonathan Belmaker, Jennifer Simpson, Carolina de la Rosa, Marcelo M. Rivadeneira, and Walter Jetz. 2014. EltonTraits 1.0: Species-level foraging attributes of the world's birds and mammals. Ecology 95:2027
♦ 3Nathan P. Myhrvold, Elita Baldridge, Benjamin Chan, Dhileep Sivam, Daniel L. Freeman, and S. K. Morgan Ernest. 2015. An amniote life-history database to perform comparative analyses with birds, mammals, and reptiles. Ecology 96:3109
♦ 4del Hoyo, J., Elliott, A., Sargatal, J., Christie, D.A. & de Juana, E. (eds.). Handbook of the Birds of the World Alive. Lynx Edicions, Barcelona.
♦ 5Comparative Ecology of Galapagos Ground Finches (Geospiza Gould): Evaluation of the Importance of Floristic Diversity and Interspecific Competition, Ian Abbott, L. K. Abbott, P. R. Grant, Ecological Monographs, Vol. 47, No. 2, (Spring, 1977), pp. 151-184
Ecoregions provided by World Wide Fund For Nature (WWF). WildFinder: Online database of species distributions, ver. 01.06 Wildfinder Database
Biodiversity Hotspots provided by Critical Ecosystem Partnership Fund
Abstract provided by DBpedia licensed under a Creative Commons License
Species taxanomy provided by GBIF Secretariat (2022). GBIF Backbone Taxonomy. Checklist dataset https://doi.org/10.15468/39omei accessed via GBIF.org on 2023-06-13; License: CC BY 4.0