Animalia > Chordata > Aves > Charadriiformes > Laridae > Leucophaeus > Leucophaeus modestus

Leucophaeus modestus (Grey Gull; Gray Gull)

Synonyms: Larus modestus

Wikipedia Abstract

The grey gull (Leucophaeus modestus) is a medium-sized gull native to South America. Unusual among gulls, it breeds inland in the extremely dry Atacama Desert in northern Chile, although it is present as a non-breeding bird along much of the Pacific coast of South America.
View Wikipedia Record: Leucophaeus modestus

EDGE Analysis

Uniqueness Scale: Similiar (0) 
1
 Unique (100)
Uniqueness & Vulnerability Scale: Similiar & Secure (0) 
9
 Unique & Vulnerable (100)
ED Score: 2.92808
EDGE Score: 1.36815

Attributes

Adult Weight [1]  380 grams
Birth Weight [1]  35 grams
Diet [2]  Carnivore (Invertebrates), Carnivore (Vertebrates), Piscivore
Diet - Fish [2]  20 %
Diet - Invertibrates [2]  70 %
Diet - Scavenger [2]  10 %
Forages - Ground [2]  30 %
Forages - Water Surface [2]  70 %
Clutch Size [3]  2
Incubation [1]  30 days

Ecoregions

Important Bird Areas

Name Location  IBA Criteria   Website   Climate   Land Use 
Isla Pachacámac Peru A1, A4ii
Laguna de Ite Peru A1, A2, A3, A4i, A4iii
Reserva Nacional de Paracas Peru A1, A2, A3, A4i, A4ii
Río Tambo y Lagunas de Mejía Peru A1, A2, A3, A4iii

Biodiversity Hotspots

Name Location Endemic Species Website
Chilean Winter Rainfall-Valdivian Forests Chile No
Tumbes-Choco-Magdalena Colombia, Ecuador, Panama, Peru No

Prey / Diet

Emerita analoga (Pacific sand crab)[4]

Prey / Diet Overlap

Competing SpeciesCommon Prey Count
Aphriza virgata (Surfbird)1
Leucophaeus pipixcan (Franklin's Gull)1
Pelecanoides garnotii (Peruvian Diving Petrel)1

Consumers

Parasitized by 
Cardiocephaloides physalis[5]

Range Map

External References

Citations

Attributes / relations provided by
1del Hoyo, J., Elliott, A., Sargatal, J., Christie, D.A. & de Juana, E. (eds.). Handbook of the Birds of the World Alive. Lynx Edicions, Barcelona.
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
3Jetz W, Sekercioglu CH, Böhning-Gaese K (2008) The Worldwide Variation in Avian Clutch Size across Species and Space PLoS Biol 6(12): e303. doi:10.1371/journal.pbio.0060303
4DIET AND FEEDING BEHAVIOUR OF OLROG'S GULL LARUS ATLANTICUS IN BAHIA BLANCA, ARGENTINA, J. KASPAR V. DELHEY, MARTINA CARRETE AND MARIANO M . MARTÍNEZ, ARDEA 89(2), 2001
5Gibson, D. I., Bray, R. A., & Harris, E. A. (Compilers) (2005). Host-Parasite Database of the Natural History Museum, London
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