Data Zone
The site was identified as internationally important for bird conservation in 2021 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 List | Season (year/s of estimate) | Size | IBA criteria |
|---|---|---|---|---|
| Black Swift Cypseloides niger | VU | breeding (2021) | 32 birds | A1 |
| Sierra Madre Sparrow Xenospiza baileyi | EN | resident (2017) | 117 birds | A1 |
Ideally the conservation status of the IBA will have been checked regularly since the site was first identified in 2021. The most recent assessment (2013) is shown below.
| IBA conservation assessment | |||
|---|---|---|---|
| Year of assessment | State | Pressure | Response |
| 2013 | not assessed | very high | very low |
| Whole site assessed? | State assessed by | Accuracy of information | |
| yes | unset | unknown | |
| Pressure (threats to the trigger species and/or their habitats) | ||||
|---|---|---|---|---|
| Threat | Timing | Scope | Severity | Result |
| Agricultural expansion and intensification | happening now | most of population/area (50–90%) | rapid decline (>30% over 3 generations) | very high |
| Human intrusions and disturbance | happening now | most of population/area (50–90%) | rapid decline (>30% over 3 generations) | very high |
| Residential and commercial development | likely in short term (<4 years) | some of population/area (10–49%) | rapid decline (>30% over 3 generations) | high |
| Response (conservation actions taken for the trigger species and/or their habitats) | |||
|---|---|---|---|
| Designation | Planning | Action | Result |
| Little/none of area covered (<10%) | No management planning has taken place | Some limited conservation initiatives are in place | very low |
| Year | Protected Area | Designation (management category) | % coverage of IBA |
|---|---|---|---|
| 1917 | Desierto de los Leones | Parque Nacional (II) | 1 |
| 1936 | Insurgente Miguel Hidalgo y Costilla | Parque Nacional (II) | 1 |
| 1937 | El Tepozteco | Parque Nacional (II) | 6 |
| 1938 | Lomas de Padierna | Parque Nacional (II) | <1 |
| 1939 | Insurgente José María Morelos | Parque Nacional (II) | 1 |
| 1947 | Lagunas de Zempoala | Parque Nacional (II) | 3 |
| 1947 | Cumbres del Ajusco | Parque Nacional (II) | <1 |
| 1988 | Corredor Biológico Chichinautzin | Área de Protección de Flora y Fauna (Ia) | 16 |
| Habitat | % of IBA | Habitat detail |
|---|---|---|
| Forest | 69 | Montane broadleaf evergreen; Pine; Pine-oak; Tropical coniferous; Tropical deciduous |
| Land use | % of IBA |
|---|---|
| agriculture | 29 |
| rangeland/pastureland | 10 |
| urban/industrial/transport | minor (<10) |
| forestry | - |
Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Sur del Valle de México (Mexico). Downloaded from
https://datazone.birdlife.org/site/factsheet/sur-del-valle-de-méxico-iba-mexico on 24/12/2024.