Screaming Cowbird

Molothrus rufoaxillaris Cassin, 1866

18–21 cmLength48 gWeight

The screaming cowbird (Molothrus rufoaxillaris) is an obligate brood parasite belonging to the family Icteridae and is found in South America.

Busiest months: October · Most records: Argentina, Brazil, Uruguay

Least Concern

Where and when it's recorded

Busiest months: October · Most records: Argentina, Brazil, Uruguay

Screaming Cowbird has been recorded at 219 of the 8,276 birding hotspots we track, in 6 countries and regions.

Records by month Southern Hemisphere

Where it's recorded most

Reserva Ecológica Costanera SurArgentina2,995 records
Reserva Ecológica Ciudad Universitaria - Costanera NorteArgentina540 records
CeibasArgentina427 records

More places

Reserva El DestinoArgentina321 records
Ceibas – TerraplénArgentina300 records
Aquidauana – Pousada AguapéBrazil258 records
Berisso – Quinta Privada Montevideo Y 77 100 Metros Hacia El MonteArgentina246 records
Área Natural Protegida Don SebastiánArgentina243 records
Reserva Natural Estricta Quebrada de Las Higueritas RNQHArgentina242 records
Lago de RegatasArgentina237 records

Countries and regions with the most records

Argentina Brazil Uruguay Paraguay Bolivia Chile

eBird records via GBIF up to 2024-12-31. A record means someone listed it; more records partly mean more birders, not more birds.

About

The screaming cowbird (Molothrus rufoaxillaris) is an obligate brood parasite belonging to the family Icteridae and is found in South America. It is also known commonly as the short billed cowbird.

Excerpt from Wikipedia, CC BY-SA 4.0 · authors · Read more on Wikipedia

Questions

How big is the Screaming Cowbird?

The Screaming Cowbird is about 18–21 cm long and weighs around 48 g.

Where does the Screaming Cowbird live?

Its breeding range: South America: southern Bolivia and southern Brazil to east-central Argentina. It is most often recorded in Argentina, Brazil and Uruguay.