Smooth-billed Ani
Smooth-billed Ani has collapsed: down 94% on the route-weighted index since 1969.
About the Smooth-billed Ani
The Smooth-billed Ani (Crotophaga ani) is a North American member of the Cuckoos, Roadrunners & Anis (Cuculidae). In this analysis it is grouped with the forest birds.
- Size
- 10.5–22 in long (27–56 cm) — a slender, long-tailed bird (typical for the family)
- Habitat
- Woodlands and forest edges, including wooded suburbs and parks.
- Diet
- Insects and spiders gleaned from foliage and bark, with seeds and berries in season.
- Range
- Recorded on 12 Breeding Bird Survey routes across 1 state, most concentrated in the Peninsular Florida.
- Family
- Cuculidae · Forest birds
Notable Smooth-billed Ani Trends
No notable trend signals for Smooth-billed Ani. See the full index history below.
Smooth-billed Ani Population Forecast
If the recent trend holds, Smooth-billed Ani is projected to stay roughly flat through 2020, near 0.00 (95% range 0.00–0.01). A 5-year backtest shows a typical error of ±481.5%, with 100% of held-out values landing inside the 95% band.
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2016 | 0.00 | 0.00 | 0.01 |
| 2017 | 0.00 | 0.00 | 0.01 |
| 2018 | 0.00 | 0.00 | 0.01 |
| 2019 | 0.00 | 0.00 | 0.01 |
| 2020 | 0.00 | 0.00 | 0.01 |
Where the Smooth-billed Ani Is Detected
BBS routes recording Smooth-billed Ani, sized by most recent count.
Smooth-billed Ani Population Trend by State
| Florida | -94% | 1969 | 12 |
Smooth-billed Ani Population Trend by Region
Bird Conservation Regions are the ecological unit for trends.
| Peninsular Florida | -95% | 1969 | 12 |
Smooth-billed Ani Conservation Status
Our route-weighted index shows it down about 94% since 1969.
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22. Trend is a route-weighted relative-abundance index, not an absolute population.