Birds
File:Molothrus bonariensis en Lima,Perú.jpg

Shiny Cowbird

Shiny Cowbird

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Spotted
The Shiny Cowbird is a medium-sized, iridescent black icterid, known for its glossy, purplish-blue sheen in good light. Females are duller grey-brown. It is a notorious obligate brood parasite.
Where to spot
Native to South America, widespread across much of the continent. Has expanded its range into the Caribbean and southeastern United States. Found in open and semi-open habitats, agricultural areas, and urban environments.
How to spot
Look for its glossy, iridescent black plumage. Watch for its characteristic behavior of observing other birds' nests to lay its eggs. Listen for its varied calls, including whistles and buzzy notes.
When to spot
Year-round resident. Most active during the breeding season (varies regionally) when engaging in brood parasitism.
File:Molothrus bonariensis en Lima,Perú.jpg
File:Shiny cowbird (Molothrus bonariensis) female Cundinamarca.jpg
File:Shiny cowbird (Molothrus bonariensis) male.JPG
File:Tordo (Molothrus bonariensis) macho, Uruguay, 2022.jpg
File:Molothrus bonariensis en Lima,Perú.jpg
Credits: Wikimedia Commons
File:Shiny cowbird (Molothrus bonariensis) female Cundinamarca.jpg
Credits: Wikimedia Commons
File:Shiny cowbird (Molothrus bonariensis) male.JPG
Credits: Wikimedia Commons
File:Tordo (Molothrus bonariensis) macho, Uruguay, 2022.jpg
Credits: Wikimedia Commons
This highly adaptable species has significantly expanded its range northward into the Caribbean and southeastern United States, impacting native bird populations through its brood parasitism.
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