Animalia > Chordata > Aves > Passeriformes > Icteridae > Molothrus > Molothrus aeneus

Molothrus aeneus (Bronzed Cowbird)

Synonyms: Psarocolius aeneus (homotypic); Tangavius aeneus
Language: Spanish

Infraspecies

Molothrus aeneus aeneus
Molothrus aeneus armenti (Bronze-brown Cowbird) (Attributes)
Molothrus aeneus assimilis
Molothrus aeneus loyei

EDGE Analysis

Uniqueness Scale: Similiar (0) 
0
 Unique (100)
Uniqueness & Vulnerability Scale: Similiar & Secure (0) 
8
 Unique & Vulnerable (100)
ED Score: 2.63843
EDGE Score: 1.29155
Learn more at EDGE of Existence programme

Attributes

Adult Weight [1]  63 grams
Birth Weight [3]  5 grams
Female Weight [1]  57 grams
Male Weight [1]  69 grams
Weight Dimorphism [1]  21.1 %
Breeding Habitat [2]  Tropical dry forests, Desert scrub
Wintering Geography [2]  Widespread Neotropical
Wintering Habitat [2]  Generalist, Agricultural
Diet [4]  Carnivore (Invertebrates), Granivore
Diet - Invertibrates [4]  70 %
Diet - Seeds [4]  30 %
Forages - Mid-High [4]  10 %
Forages - Understory [4]  10 %
Forages - Ground [4]  80 %
Clutch Size [3]  1
Clutches / Year [3]  1
Egg Length [1]  0.945 inches (24 mm)
Egg Width [1]  0.709 inches (18 mm)
Fledging [1]  11 days
Global Population (2017 est.) [2]  9,800,000
Incubation [3]  12 days
Maximum Longevity [1]  6 years
Female Maturity [1]  1 year
Male Maturity [3]  1 year

Ecoregions

Protected Areas

Biodiversity Hotspots

Name Location Endemic Species Website
Madrean Pine-Oak Woodlands Mexico, United States No
Mesoamerica Belize, Costa Rica, El Salvador, Guatemala, Honduras, Mexico, Nicaragua, Panama No

Prey / Diet

Ficus cotinifolia[5]

Prey / Diet Overlap

Predators

Falco femoralis (Aplomado Falcon)[6]

Range Map

External References

NatureServe Explorer

Citations

Attributes / relations provided by
♦ 1Nathan 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
♦ 2Partners in Flight Avian Conservation Assessment Database, version 2017. Accessed on January 2018.
♦ 3de 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
♦ 4Hamish 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
♦ 5"Fig-eating by vertebrate frugivores: a global review", MIKE SHANAHAN, SAMSON SO, STEPHEN G. COMPTON and RICHARD CORLETT, Biol. Rev. (2001), 76, pp. 529–572
♦ 6THE DIET OF THE APLOMADO FALCON (FALCO FEMORALIS) IN EASTERN MEXICO, DEAN P. HECTOR, The Condor 87:336-342
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
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