Hoatzin
Opisthocomus hoazin

The hoatzin is a species of tropical bird found in swamps, riparian forests, and mangroves of the Amazon and Orinoco Basins in South America. It is the only extant species in the genus Opisthocomus which is the only extant genus in the family Opisthocomidae under the order Opisthocomiformes. Despite being the subject of intense debate by specialists, the taxonomic position of this family is still far from clear. Source
Where is the Hoatzin now?
In the last 8 weeks this bird was recorded 1,892 times across 8 areas (each area is a 5 degree square).
See the Hoatzin on the live map
When does the Hoatzin arrive?
The week it was first heard regularly in each region, after at least six weeks away. Dates differ from south to north, so a region has a range.
| Region | First arrival | Last arrival | Typical peak | Areas |
|---|---|---|---|---|
| South America | 31 August 2026 | 31 August 2026 | 5 October 2026 | 1 |
Arriving at the same time in South America
- Streaked Flycatcher Myiodynastes maculatus
- Green-winged Saltator Saltator similis
- Chivi Vireo Vireo chivi
- Sick's Swift Chaetura meridionalis
- Euler's Flycatcher Lathrotriccus euleri
- Saffron-billed Sparrow Arremon flavirostris
- Western Wood-Pewee Contopus sordidulus
- Brown Violetear Colibri delphinae
Every arrival in South America, month by month
Figures are effort corrected and come from automatic sound identification, which makes mistakes. How this is measured and how it compares with human observers.