Animalia > Chordata > Aves > Passeriformes > Icteridae > Agelaius > Agelaius xanthomus

Agelaius xanthomus (Yellow-shouldered Blackbird)

Wikipedia Abstract

The yellow-shouldered blackbird (Agelaius xanthomus), also known as la Mariquita de Puerto Rico or capitán, is a diurnal blackbird endemic to the archipelago of Puerto Rico and one of the species belonging to the genus Agelaius of the family Icteridae. It has black plumage with a prominent yellow shoulder on its wing. Adult males and females are of similar appearance. The species is predominantly insectivorous.
View Wikipedia Record: Agelaius xanthomus

Infraspecies

Agelaius xanthomus monensis
Agelaius xanthomus xanthomus

Endangered Species

Status: Endangered
View IUCN Record: Agelaius xanthomus

EDGE Analysis

Uniqueness Scale: Similiar (0) 
1
 Unique (100)
Uniqueness & Vulnerability Scale: Similiar & Secure (0) 
43
 Unique & Vulnerable (100)
ED Score: 3.21427
EDGE Score: 3.51792
Learn more at EDGE of Existence programme

Attributes

Adult Weight [1]  38.4 grams
Diet [2]  Carnivore (Invertebrates), Frugivore, Granivore
Diet - Fruit [2]  30 %
Diet - Invertibrates [2]  60 %
Diet - Seeds [2]  10 %
Forages - Mid-High [2]  60 %
Forages - Understory [2]  20 %
Forages - Ground [2]  20 %
Clutch Size [4]  3
Incubation [3]  12 days
Maximum Longevity [1]  12 years 7 months

Ecoregions

Name Countries Ecozone Biome Species Report Climate Land
Use
Jamaican dry forests Jamaica Neotropic Tropical and Subtropical Dry Broadleaf Forests
Jamaican moist forests Jamaica Neotropic Tropical and Subtropical Moist Broadleaf Forests

Protected Areas

Name IUCN Category Area acres Location Species Website Climate Land Use
Guanica Biosphere Reserve 9884 Puerto Rico  
Mona and Monito Island Nature Reserve 389376 Puerto Rico, United States    
Reserva de la Biosfera de Yasuni Biosphere Reserve 4156313 Ecuador  

Important Bird Areas

Name Location  IBA Criteria   Website   Climate   Land Use 
Guaniquilla and Boquerón Puerto Rico (to USA) A1, A2  
Jobos Bay Puerto Rico (to USA) A1, A2, A4iii, B4i
Mona and Monito Puerto Rico (to USA) A1, B4ii  
Sierra Bermeja and Laguna Cartagena Puerto Rico (to USA) A1, A2
Suroeste Puerto Rico (to USA) A1, A2, A4i, A4iii, B4i

Biodiversity Hotspots

Name Location Endemic Species Website
Caribbean Islands Anguilla, Antigua and Barbuda, Aruba, Bahamas, Barbados, Cayman Islands, Cuba, Dominica, Dominican Republic, Haiti, Grenada, Guadeloupe, Jamaica, Martinique, Montserrat, Netherlands Antilles, Puerto Rico, Saint Kitts and Nevis, Saint Lucia, Saint Vincent And The Grenadines, Trinidad and Tobago, Turks And Caicos Islands, Virgin Islands - British, Virgin Islands - U.S. Yes

External References

Citations

Attributes / relations provided by
♦ 1de Magalhaes, J. P., and Costa, J. (2009) A database of vertebrate longevity records and their relation to other life-history traits. Journal of Evolutionary Biology 22(8):1770-1774
♦ 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
♦ 3del Hoyo, J., Elliott, A., Sargatal, J., Christie, D.A. & de Juana, E. (eds.). Handbook of the Birds of the World Alive. Lynx Edicions, Barcelona.
♦ 4Jetz 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
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