Data Zone
The site was identified as important in 2024 because it was regularly supporting significant populations of the species listed below, meeting ('triggering') IBA criteria.
Populations meeting IBA criteria ('trigger species') at the site:| Species | Red List1 | Season | Year(s) | Size | IBA criteria |
|---|---|---|---|---|---|
| Brown-backed Parrotlet Touit melanonotus | NT | unknown | 2016 | min 30 individuals | B1a |
| Black-backed Tanager Tangara peruviana | VU | resident | 2023-2024 | 30-165 individuals | A1 |
1. The current IUCN Red List category. The category at the time of the IBA criteria assessment (2024) may differ.
Ideally the conservation status of the IBA will have been checked regularly since the site was first identified in 2024. The most recent assessment (2024) is shown below.
| IBA conservation assessment | |||
|---|---|---|---|
| Year of assessment | State | Pressure | Response |
| 2024 | very unfavourable | not assessed | medium |
| Whole site assessed? | State assessed by | Accuracy of information | |
| no | habitat | medium | |
| State (condition of the trigger species' habitats) | |||
|---|---|---|---|
| Habitat | Quantity (% remaining) | Quality (% carrying capacity) | Result |
| Forest | poor (40-69%) | poor (40-69%) | very unfavourable |
| Response (conservation actions taken for the trigger species and/or their habitats) | |||
|---|---|---|---|
| Protected areas | Management plan | Other action | Result |
| Most of site (50-90%) covered (including the most critical parts for important bird species) | A management plan exists but it is out of date or not comprehensive | Substantive conservation measures are being implemented but these are not comprehensive and are limited by resources and capacity | medium |
| Year | Protected Area | Designation | % overlap with IBA |
|---|---|---|---|
| 1977 | Parque Estadual Da Serra Do Mar | Parque | 3 |
| 1987 | Guarani do Ribeirão Silveira | Terra Indígena | <1 |
| 2010 | Parque Estadual Restinga De Bertioga | Parque | 45 |
| 2010 | Ribeirão Silveira | Terra Indígena | 9 |
| Habitat1 | Habitat detail | % of IBA |
|---|---|---|
| Forest | major (>10) |
Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Bertioga (Brazil). Downloaded from
https://datazone.birdlife.org/site/factsheet/bertioga-iba-brazil on 23/11/2024.