Giant Cowbird
Molothrus oryzivorus
- KingdomAnimalia (Animals)
- PhylumChordata (Cordats)
- ClassAves (Aus)
- OrderPasseriformes
- FamilyIcteridae (Ictèrids)
- GenusMolothrus (Cowbirds)
- SpeciesMolothrus oryzivorus (Giant Cowbird)
The giant cowbird (Molothrus oryzivorus) is a large passerine bird in the New World family Icteridae. It breeds from southern Mexico south to northern Argentina, and on Trinidad and Tobago. It may have relatively recently colonised the latter island. It is a brood parasite and lays its eggs in the nests of other birds. Wikipedia →
10–20% of wildlife watchers report a Giant Cowbird sighting in Cuyabeno Wildlife Reserve, based on 763 days of visitor records from GBIF citizen-science data.
Closest Relatives at Cuyabeno Wildlife Reserve
Shiny Cowbird
Molothrus bonariensis
Yellow-rumped Cacique
Cacicus cela
Russet-backed Oropendola
Psarocolius angustifrons
Crested Oropendola
Psarocolius decumanus
Orange-backed Oriole
Icterus icterus
Oriole Blackbird
Gymnomystax mexicanus
Green Oropendola
Psarocolius viridis
Solitary Black Cacique
Cacicus solitarius
Epaulet Oriole
Icterus cayanensis
Olive Oropendola
Psarocolius bifasciatus
Casqued Cacique
Psarocolius oseryi
Red-rumped Cacique
Cacicus haemorrhous
📅 Monthly Probability
☀️ When They're Spotted
Most active during daytime hours (6am–6pm) · across all parks (global)
Global Distribution
Where this species is recorded worldwide. Restricted to human observations from 2019 onwards — the same kind of record and the same period the probabilities on this page are built from, so collar-tracking studies, camera-trap arrays and museum specimens are excluded. Around Santa Rosa that removes 5,924 GPS fixes from a handful of tagged jaguars.
where this species is recorded (GBIF density — it tracks where observers go, not how likely a sighting is) · parks where it occurs — tap a pin for the sighting probability there
Parks Where Found
Quick answers
What are the chances of seeing a Giant Cowbird in Cuyabeno Wildlife Reserve?
About 19% of wildlife watchers report a Giant Cowbird sighting in Cuyabeno Wildlife Reserve, based on 763 days of visitor records from GBIF citizen-science data.
When is the best time to see Giant Cowbird in Cuyabeno Wildlife Reserve?
November has the highest sighting rate for Giant Cowbird in Cuyabeno Wildlife Reserve in our monthly data.